Home / 739,741.05-1,020,896.60-417,479.31

Finding the Fourth Proportional to 739,741.05, 1,020,896.60 and 417,479.31

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Solution

The fourth proportional to 739,741.05, 1,020,896.60 and 417,479.31 is: 576,151.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,741.05 : 1,020,896.60 = 417,479.31 : x
  2. Step 2: Convert to fraction form
    739,741.05/1,020,896.60 = 417,479.31/x
  3. Step 3: Cross multiply
    739,741.05x = 1,020,896.60 × 417,479.31
  4. Step 4: Simplify right side
    739,741.05x = 426,203,206,061.95
  5. Step 5: Solve for x
    x = 426,203,206,061.95/739,741.05
  6. Step 6: Final answer
    x = 576,151.89

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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.