Home / 927,853.47-1,391,070.24-642,724.56

Finding the Fourth Proportional to 927,853.47, 1,391,070.24 and 642,724.56

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Solution

The fourth proportional to 927,853.47, 1,391,070.24 and 642,724.56 is: 963,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,853.47 : 1,391,070.24 = 642,724.56 : x
  2. Step 2: Convert to fraction form
    927,853.47/1,391,070.24 = 642,724.56/x
  3. Step 3: Cross multiply
    927,853.47x = 1,391,070.24 × 642,724.56
  4. Step 4: Simplify right side
    927,853.47x = 894,075,007,933.10
  5. Step 5: Solve for x
    x = 894,075,007,933.10/927,853.47
  6. Step 6: Final answer
    x = 963,595.05

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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.