Home / 927,286.12-1,390,929.20-506,332.36

Finding the Fourth Proportional to 927,286.12, 1,390,929.20 and 506,332.36

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Solution

The fourth proportional to 927,286.12, 1,390,929.20 and 506,332.36 is: 759,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,286.12 : 1,390,929.20 = 506,332.36 : x
  2. Step 2: Convert to fraction form
    927,286.12/1,390,929.20 = 506,332.36/x
  3. Step 3: Cross multiply
    927,286.12x = 1,390,929.20 × 506,332.36
  4. Step 4: Simplify right side
    927,286.12x = 704,272,464,428.91
  5. Step 5: Solve for x
    x = 704,272,464,428.91/927,286.12
  6. Step 6: Final answer
    x = 759,498.55

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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.