Home / 909,437.28-1,363,780.59-310,446.75

Finding the Fourth Proportional to 909,437.28, 1,363,780.59 and 310,446.75

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Solution

The fourth proportional to 909,437.28, 1,363,780.59 and 310,446.75 is: 465,542.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,437.28 : 1,363,780.59 = 310,446.75 : x
  2. Step 2: Convert to fraction form
    909,437.28/1,363,780.59 = 310,446.75/x
  3. Step 3: Cross multiply
    909,437.28x = 1,363,780.59 × 310,446.75
  4. Step 4: Simplify right side
    909,437.28x = 423,381,251,878.58
  5. Step 5: Solve for x
    x = 423,381,251,878.58/909,437.28
  6. Step 6: Final answer
    x = 465,542.00

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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.