Home / 711,232.08-1,065,724.50-577,458.76

Finding the Fourth Proportional to 711,232.08, 1,065,724.50 and 577,458.76

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Solution

The fourth proportional to 711,232.08, 1,065,724.50 and 577,458.76 is: 865,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,232.08 : 1,065,724.50 = 577,458.76 : x
  2. Step 2: Convert to fraction form
    711,232.08/1,065,724.50 = 577,458.76/x
  3. Step 3: Cross multiply
    711,232.08x = 1,065,724.50 × 577,458.76
  4. Step 4: Simplify right side
    711,232.08x = 615,411,948,271.62
  5. Step 5: Solve for x
    x = 615,411,948,271.62/711,232.08
  6. Step 6: Final answer
    x = 865,275.86

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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.