Home / 928,435.05-1,392,853.00-288,726.28

Finding the Fourth Proportional to 928,435.05, 1,392,853.00 and 288,726.28

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Solution

The fourth proportional to 928,435.05, 1,392,853.00 and 288,726.28 is: 433,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,435.05 : 1,392,853.00 = 288,726.28 : x
  2. Step 2: Convert to fraction form
    928,435.05/1,392,853.00 = 288,726.28/x
  3. Step 3: Cross multiply
    928,435.05x = 1,392,853.00 × 288,726.28
  4. Step 4: Simplify right side
    928,435.05x = 402,153,262,898.12
  5. Step 5: Solve for x
    x = 402,153,262,898.12/928,435.05
  6. Step 6: Final answer
    x = 433,151.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.