Home / 747,564.06-1,031,772.15-445,777.50

Finding the Fourth Proportional to 747,564.06, 1,031,772.15 and 445,777.50

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Solution

The fourth proportional to 747,564.06, 1,031,772.15 and 445,777.50 is: 615,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,564.06 : 1,031,772.15 = 445,777.50 : x
  2. Step 2: Convert to fraction form
    747,564.06/1,031,772.15 = 445,777.50/x
  3. Step 3: Cross multiply
    747,564.06x = 1,031,772.15 × 445,777.50
  4. Step 4: Simplify right side
    747,564.06x = 459,940,809,596.63
  5. Step 5: Solve for x
    x = 459,940,809,596.63/747,564.06
  6. Step 6: Final answer
    x = 615,252.70

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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.