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Finding the Fourth Proportional to 798,750.80, 1,101,653 and 512,292.72

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Solution

The fourth proportional to 798,750.80, 1,101,653 and 512,292.72 is: 706,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,750.80 : 1,101,653 = 512,292.72 : x
  2. Step 2: Convert to fraction form
    798,750.80/1,101,653 = 512,292.72/x
  3. Step 3: Cross multiply
    798,750.80x = 1,101,653 × 512,292.72
  4. Step 4: Simplify right side
    798,750.80x = 564,368,811,866.16
  5. Step 5: Solve for x
    x = 564,368,811,866.16/798,750.80
  6. Step 6: Final answer
    x = 706,564.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.