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Finding the Fourth Proportional to 649,710.80, 969,807.46 and 573,012.71

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Solution

The fourth proportional to 649,710.80, 969,807.46 and 573,012.71 is: 855,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,710.80 : 969,807.46 = 573,012.71 : x
  2. Step 2: Convert to fraction form
    649,710.80/969,807.46 = 573,012.71/x
  3. Step 3: Cross multiply
    649,710.80x = 969,807.46 × 573,012.71
  4. Step 4: Simplify right side
    649,710.80x = 555,712,000,832.82
  5. Step 5: Solve for x
    x = 555,712,000,832.82/649,710.80
  6. Step 6: Final answer
    x = 855,322.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.