Home / 731,792.85-1,097,689.28-480,660.45

Finding the Fourth Proportional to 731,792.85, 1,097,689.28 and 480,660.45

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Solution

The fourth proportional to 731,792.85, 1,097,689.28 and 480,660.45 is: 720,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,792.85 : 1,097,689.28 = 480,660.45 : x
  2. Step 2: Convert to fraction form
    731,792.85/1,097,689.28 = 480,660.45/x
  3. Step 3: Cross multiply
    731,792.85x = 1,097,689.28 × 480,660.45
  4. Step 4: Simplify right side
    731,792.85x = 527,615,820,881.67
  5. Step 5: Solve for x
    x = 527,615,820,881.67/731,792.85
  6. Step 6: Final answer
    x = 720,990.68

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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.