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Finding the Fourth Proportional to 552,862.80, 828,127.80 and 459,550.80

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Solution

The fourth proportional to 552,862.80, 828,127.80 and 459,550.80 is: 688,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,862.80 : 828,127.80 = 459,550.80 : x
  2. Step 2: Convert to fraction form
    552,862.80/828,127.80 = 459,550.80/x
  3. Step 3: Cross multiply
    552,862.80x = 828,127.80 × 459,550.80
  4. Step 4: Simplify right side
    552,862.80x = 380,566,792,992.24
  5. Step 5: Solve for x
    x = 380,566,792,992.24/552,862.80
  6. Step 6: Final answer
    x = 688,356.66

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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.