Home / 803,138.47-1,108,310.80-458,952.52

Finding the Fourth Proportional to 803,138.47, 1,108,310.80 and 458,952.52

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Solution

The fourth proportional to 803,138.47, 1,108,310.80 and 458,952.52 is: 633,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,138.47 : 1,108,310.80 = 458,952.52 : x
  2. Step 2: Convert to fraction form
    803,138.47/1,108,310.80 = 458,952.52/x
  3. Step 3: Cross multiply
    803,138.47x = 1,108,310.80 × 458,952.52
  4. Step 4: Simplify right side
    803,138.47x = 508,662,034,603.22
  5. Step 5: Solve for x
    x = 508,662,034,603.22/803,138.47
  6. Step 6: Final answer
    x = 633,342.88

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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.