Home / 771,200.80-1,156,801.20-202,544.35

Finding the Fourth Proportional to 771,200.80, 1,156,801.20 and 202,544.35

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Solution

The fourth proportional to 771,200.80, 1,156,801.20 and 202,544.35 is: 303,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,200.80 : 1,156,801.20 = 202,544.35 : x
  2. Step 2: Convert to fraction form
    771,200.80/1,156,801.20 = 202,544.35/x
  3. Step 3: Cross multiply
    771,200.80x = 1,156,801.20 × 202,544.35
  4. Step 4: Simplify right side
    771,200.80x = 234,303,547,133.22
  5. Step 5: Solve for x
    x = 234,303,547,133.22/771,200.80
  6. Step 6: Final answer
    x = 303,816.53

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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.