Home / 947,073.89-1,306,990.67-517,381.67

Finding the Fourth Proportional to 947,073.89, 1,306,990.67 and 517,381.67

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Solution

The fourth proportional to 947,073.89, 1,306,990.67 and 517,381.67 is: 714,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,073.89 : 1,306,990.67 = 517,381.67 : x
  2. Step 2: Convert to fraction form
    947,073.89/1,306,990.67 = 517,381.67/x
  3. Step 3: Cross multiply
    947,073.89x = 1,306,990.67 × 517,381.67
  4. Step 4: Simplify right side
    947,073.89x = 676,213,006,397.16
  5. Step 5: Solve for x
    x = 676,213,006,397.16/947,073.89
  6. Step 6: Final answer
    x = 714,002.38

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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.