Home / 927,084.29-1,390,843.31-287,354.52

Finding the Fourth Proportional to 927,084.29, 1,390,843.31 and 287,354.52

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Solution

The fourth proportional to 927,084.29, 1,390,843.31 and 287,354.52 is: 431,099.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,084.29 : 1,390,843.31 = 287,354.52 : x
  2. Step 2: Convert to fraction form
    927,084.29/1,390,843.31 = 287,354.52/x
  3. Step 3: Cross multiply
    927,084.29x = 1,390,843.31 × 287,354.52
  4. Step 4: Simplify right side
    927,084.29x = 399,665,110,303.49
  5. Step 5: Solve for x
    x = 399,665,110,303.49/927,084.29
  6. Step 6: Final answer
    x = 431,099.00

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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.