Home / 742,113.90-1,024,119.11-402,582.15

Finding the Fourth Proportional to 742,113.90, 1,024,119.11 and 402,582.15

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Solution

The fourth proportional to 742,113.90, 1,024,119.11 and 402,582.15 is: 555,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,113.90 : 1,024,119.11 = 402,582.15 : x
  2. Step 2: Convert to fraction form
    742,113.90/1,024,119.11 = 402,582.15/x
  3. Step 3: Cross multiply
    742,113.90x = 1,024,119.11 × 402,582.15
  4. Step 4: Simplify right side
    742,113.90x = 412,292,074,166.34
  5. Step 5: Solve for x
    x = 412,292,074,166.34/742,113.90
  6. Step 6: Final answer
    x = 555,564.41

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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.