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Finding the Fourth Proportional to 528,228.80, 794,092.80 and 451,246.40

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Solution

The fourth proportional to 528,228.80, 794,092.80 and 451,246.40 is: 678,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,228.80 : 794,092.80 = 451,246.40 : x
  2. Step 2: Convert to fraction form
    528,228.80/794,092.80 = 451,246.40/x
  3. Step 3: Cross multiply
    528,228.80x = 794,092.80 × 451,246.40
  4. Step 4: Simplify right side
    528,228.80x = 358,331,517,265.92
  5. Step 5: Solve for x
    x = 358,331,517,265.92/528,228.80
  6. Step 6: Final answer
    x = 678,364.22

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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.