Home / 747,330.36-1,031,306.22-407,792.76

Finding the Fourth Proportional to 747,330.36, 1,031,306.22 and 407,792.76

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Solution

The fourth proportional to 747,330.36, 1,031,306.22 and 407,792.76 is: 562,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,330.36 : 1,031,306.22 = 407,792.76 : x
  2. Step 2: Convert to fraction form
    747,330.36/1,031,306.22 = 407,792.76/x
  3. Step 3: Cross multiply
    747,330.36x = 1,031,306.22 × 407,792.76
  4. Step 4: Simplify right side
    747,330.36x = 420,559,209,858.97
  5. Step 5: Solve for x
    x = 420,559,209,858.97/747,330.36
  6. Step 6: Final answer
    x = 562,748.73

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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.