Home / 739,862.64-1,020,932.28-429,704.64

Finding the Fourth Proportional to 739,862.64, 1,020,932.28 and 429,704.64

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Solution

The fourth proportional to 739,862.64, 1,020,932.28 and 429,704.64 is: 592,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,862.64 : 1,020,932.28 = 429,704.64 : x
  2. Step 2: Convert to fraction form
    739,862.64/1,020,932.28 = 429,704.64/x
  3. Step 3: Cross multiply
    739,862.64x = 1,020,932.28 × 429,704.64
  4. Step 4: Simplify right side
    739,862.64x = 438,699,337,841.78
  5. Step 5: Solve for x
    x = 438,699,337,841.78/739,862.64
  6. Step 6: Final answer
    x = 592,947.01

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1.5x scale

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.