Home / 761,859.39-1,051,377.84-417,726.74

Finding the Fourth Proportional to 761,859.39, 1,051,377.84 and 417,726.74

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Solution

The fourth proportional to 761,859.39, 1,051,377.84 and 417,726.74 is: 576,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,859.39 : 1,051,377.84 = 417,726.74 : x
  2. Step 2: Convert to fraction form
    761,859.39/1,051,377.84 = 417,726.74/x
  3. Step 3: Cross multiply
    761,859.39x = 1,051,377.84 × 417,726.74
  4. Step 4: Simplify right side
    761,859.39x = 439,188,635,522.81
  5. Step 5: Solve for x
    x = 439,188,635,522.81/761,859.39
  6. Step 6: Final answer
    x = 576,469.41

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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.