Home / 739,858.91-1,021,008.80-417,582.59

Finding the Fourth Proportional to 739,858.91, 1,021,008.80 and 417,582.59

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Solution

The fourth proportional to 739,858.91, 1,021,008.80 and 417,582.59 is: 576,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,858.91 : 1,021,008.80 = 417,582.59 : x
  2. Step 2: Convert to fraction form
    739,858.91/1,021,008.80 = 417,582.59/x
  3. Step 3: Cross multiply
    739,858.91x = 1,021,008.80 × 417,582.59
  4. Step 4: Simplify right side
    739,858.91x = 426,355,499,116.79
  5. Step 5: Solve for x
    x = 426,355,499,116.79/739,858.91
  6. Step 6: Final answer
    x = 576,265.95

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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.