Home / 739,704.72-1,020,538.92-417,375.12

Finding the Fourth Proportional to 739,704.72, 1,020,538.92 and 417,375.12

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Solution

The fourth proportional to 739,704.72, 1,020,538.92 and 417,375.12 is: 575,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,704.72 : 1,020,538.92 = 417,375.12 : x
  2. Step 2: Convert to fraction form
    739,704.72/1,020,538.92 = 417,375.12/x
  3. Step 3: Cross multiply
    739,704.72x = 1,020,538.92 × 417,375.12
  4. Step 4: Simplify right side
    739,704.72x = 425,947,554,199.67
  5. Step 5: Solve for x
    x = 425,947,554,199.67/739,704.72
  6. Step 6: Final answer
    x = 575,834.58

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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.