Home / 834,312.42-1,151,359.11-452,340.18

Finding the Fourth Proportional to 834,312.42, 1,151,359.11 and 452,340.18

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Solution

The fourth proportional to 834,312.42, 1,151,359.11 and 452,340.18 is: 624,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,312.42 : 1,151,359.11 = 452,340.18 : x
  2. Step 2: Convert to fraction form
    834,312.42/1,151,359.11 = 452,340.18/x
  3. Step 3: Cross multiply
    834,312.42x = 1,151,359.11 × 452,340.18
  4. Step 4: Simplify right side
    834,312.42x = 520,805,987,062.04
  5. Step 5: Solve for x
    x = 520,805,987,062.04/834,312.42
  6. Step 6: Final answer
    x = 624,233.77

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.