Home / 761,858.89-1,051,377.14-417,726.24

Finding the Fourth Proportional to 761,858.89, 1,051,377.14 and 417,726.24

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Solution

The fourth proportional to 761,858.89, 1,051,377.14 and 417,726.24 is: 576,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,858.89 : 1,051,377.14 = 417,726.24 : x
  2. Step 2: Convert to fraction form
    761,858.89/1,051,377.14 = 417,726.24/x
  3. Step 3: Cross multiply
    761,858.89x = 1,051,377.14 × 417,726.24
  4. Step 4: Simplify right side
    761,858.89x = 439,187,820,558.47
  5. Step 5: Solve for x
    x = 439,187,820,558.47/761,858.89
  6. Step 6: Final answer
    x = 576,468.72

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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.