Home / 766,508.37-1,149,901.16-316,985.19

Finding the Fourth Proportional to 766,508.37, 1,149,901.16 and 316,985.19

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Solution

The fourth proportional to 766,508.37, 1,149,901.16 and 316,985.19 is: 475,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,508.37 : 1,149,901.16 = 316,985.19 : x
  2. Step 2: Convert to fraction form
    766,508.37/1,149,901.16 = 316,985.19/x
  3. Step 3: Cross multiply
    766,508.37x = 1,149,901.16 × 316,985.19
  4. Step 4: Simplify right side
    766,508.37x = 364,501,636,098.90
  5. Step 5: Solve for x
    x = 364,501,636,098.90/766,508.37
  6. Step 6: Final answer
    x = 475,535.10

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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.