Home / 929,647.16-1,394,470.74-649,711.16

Finding the Fourth Proportional to 929,647.16, 1,394,470.74 and 649,711.16

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Solution

The fourth proportional to 929,647.16, 1,394,470.74 and 649,711.16 is: 974,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,647.16 : 1,394,470.74 = 649,711.16 : x
  2. Step 2: Convert to fraction form
    929,647.16/1,394,470.74 = 649,711.16/x
  3. Step 3: Cross multiply
    929,647.16x = 1,394,470.74 × 649,711.16
  4. Step 4: Simplify right side
    929,647.16x = 906,003,202,071.46
  5. Step 5: Solve for x
    x = 906,003,202,071.46/929,647.16
  6. Step 6: Final answer
    x = 974,566.74

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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.