Home / 954,420.80-1,317,105.22-524,728.76

Finding the Fourth Proportional to 954,420.80, 1,317,105.22 and 524,728.76

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Solution

The fourth proportional to 954,420.80, 1,317,105.22 and 524,728.76 is: 724,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,420.80 : 1,317,105.22 = 524,728.76 : x
  2. Step 2: Convert to fraction form
    954,420.80/1,317,105.22 = 524,728.76/x
  3. Step 3: Cross multiply
    954,420.80x = 1,317,105.22 × 524,728.76
  4. Step 4: Simplify right side
    954,420.80x = 691,122,988,880.13
  5. Step 5: Solve for x
    x = 691,122,988,880.13/954,420.80
  6. Step 6: Final answer
    x = 724,128.17

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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.