Home / 739,154.19-1,020,032.68-399,622.44

Finding the Fourth Proportional to 739,154.19, 1,020,032.68 and 399,622.44

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Solution

The fourth proportional to 739,154.19, 1,020,032.68 and 399,622.44 is: 551,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,154.19 : 1,020,032.68 = 399,622.44 : x
  2. Step 2: Convert to fraction form
    739,154.19/1,020,032.68 = 399,622.44/x
  3. Step 3: Cross multiply
    739,154.19x = 1,020,032.68 × 399,622.44
  4. Step 4: Simplify right side
    739,154.19x = 407,627,948,461.34
  5. Step 5: Solve for x
    x = 407,627,948,461.34/739,154.19
  6. Step 6: Final answer
    x = 551,478.91

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Double scale
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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.