Home / 913,287.52-1,369,348.08-439,029.28

Finding the Fourth Proportional to 913,287.52, 1,369,348.08 and 439,029.28

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Solution

The fourth proportional to 913,287.52, 1,369,348.08 and 439,029.28 is: 658,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,287.52 : 1,369,348.08 = 439,029.28 : x
  2. Step 2: Convert to fraction form
    913,287.52/1,369,348.08 = 439,029.28/x
  3. Step 3: Cross multiply
    913,287.52x = 1,369,348.08 × 439,029.28
  4. Step 4: Simplify right side
    913,287.52x = 601,183,901,631.78
  5. Step 5: Solve for x
    x = 601,183,901,631.78/913,287.52
  6. Step 6: Final answer
    x = 658,263.57

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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.