Home / 876,109.92-1,209,024.65-508,621.15

Finding the Fourth Proportional to 876,109.92, 1,209,024.65 and 508,621.15

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Solution

The fourth proportional to 876,109.92, 1,209,024.65 and 508,621.15 is: 701,893.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,109.92 : 1,209,024.65 = 508,621.15 : x
  2. Step 2: Convert to fraction form
    876,109.92/1,209,024.65 = 508,621.15/x
  3. Step 3: Cross multiply
    876,109.92x = 1,209,024.65 × 508,621.15
  4. Step 4: Simplify right side
    876,109.92x = 614,935,510,644.18
  5. Step 5: Solve for x
    x = 614,935,510,644.18/876,109.92
  6. Step 6: Final answer
    x = 701,893.11

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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.