Home / 742,173.04-1,024,200.77-402,641.29

Finding the Fourth Proportional to 742,173.04, 1,024,200.77 and 402,641.29

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Solution

The fourth proportional to 742,173.04, 1,024,200.77 and 402,641.29 is: 555,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,173.04 : 1,024,200.77 = 402,641.29 : x
  2. Step 2: Convert to fraction form
    742,173.04/1,024,200.77 = 402,641.29/x
  3. Step 3: Cross multiply
    742,173.04x = 1,024,200.77 × 402,641.29
  4. Step 4: Simplify right side
    742,173.04x = 412,385,512,117.58
  5. Step 5: Solve for x
    x = 412,385,512,117.58/742,173.04
  6. Step 6: Final answer
    x = 555,646.05

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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.