Home / 927,473.14-1,391,341.81-287,832.14

Finding the Fourth Proportional to 927,473.14, 1,391,341.81 and 287,832.14

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Solution

The fourth proportional to 927,473.14, 1,391,341.81 and 287,832.14 is: 431,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,473.14 : 1,391,341.81 = 287,832.14 : x
  2. Step 2: Convert to fraction form
    927,473.14/1,391,341.81 = 287,832.14/x
  3. Step 3: Cross multiply
    927,473.14x = 1,391,341.81 × 287,832.14
  4. Step 4: Simplify right side
    927,473.14x = 400,472,890,643.77
  5. Step 5: Solve for x
    x = 400,472,890,643.77/927,473.14
  6. Step 6: Final answer
    x = 431,789.21

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1.5x scale

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.