Home / 834,075.84-1,251,113.88-202,989.64

Finding the Fourth Proportional to 834,075.84, 1,251,113.88 and 202,989.64

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Solution

The fourth proportional to 834,075.84, 1,251,113.88 and 202,989.64 is: 304,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,075.84 : 1,251,113.88 = 202,989.64 : x
  2. Step 2: Convert to fraction form
    834,075.84/1,251,113.88 = 202,989.64/x
  3. Step 3: Cross multiply
    834,075.84x = 1,251,113.88 × 202,989.64
  4. Step 4: Simplify right side
    834,075.84x = 253,963,156,100.20
  5. Step 5: Solve for x
    x = 253,963,156,100.20/834,075.84
  6. Step 6: Final answer
    x = 304,484.49

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.