Home / 927,278.12-1,390,917.20-506,324.36

Finding the Fourth Proportional to 927,278.12, 1,390,917.20 and 506,324.36

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Solution

The fourth proportional to 927,278.12, 1,390,917.20 and 506,324.36 is: 759,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,278.12 : 1,390,917.20 = 506,324.36 : x
  2. Step 2: Convert to fraction form
    927,278.12/1,390,917.20 = 506,324.36/x
  3. Step 3: Cross multiply
    927,278.12x = 1,390,917.20 × 506,324.36
  4. Step 4: Simplify right side
    927,278.12x = 704,255,261,102.99
  5. Step 5: Solve for x
    x = 704,255,261,102.99/927,278.12
  6. Step 6: Final answer
    x = 759,486.55

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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.