Home / 917,385.31-1,266,023.16-509,493.61

Finding the Fourth Proportional to 917,385.31, 1,266,023.16 and 509,493.61

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Solution

The fourth proportional to 917,385.31, 1,266,023.16 and 509,493.61 is: 703,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,385.31 : 1,266,023.16 = 509,493.61 : x
  2. Step 2: Convert to fraction form
    917,385.31/1,266,023.16 = 509,493.61/x
  3. Step 3: Cross multiply
    917,385.31x = 1,266,023.16 × 509,493.61
  4. Step 4: Simplify right side
    917,385.31x = 645,030,710,132.01
  5. Step 5: Solve for x
    x = 645,030,710,132.01/917,385.31
  6. Step 6: Final answer
    x = 703,118.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.