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Finding the Fourth Proportional to 578,815.93, 868,519.95 and 275,552.74

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Solution

The fourth proportional to 578,815.93, 868,519.95 and 275,552.74 is: 413,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,815.93 : 868,519.95 = 275,552.74 : x
  2. Step 2: Convert to fraction form
    578,815.93/868,519.95 = 275,552.74/x
  3. Step 3: Cross multiply
    578,815.93x = 868,519.95 × 275,552.74
  4. Step 4: Simplify right side
    578,815.93x = 239,323,051,967.16
  5. Step 5: Solve for x
    x = 239,323,051,967.16/578,815.93
  6. Step 6: Final answer
    x = 413,470.05

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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.