Home / 886,970.79-1,331,451.27-354,862.76

Finding the Fourth Proportional to 886,970.79, 1,331,451.27 and 354,862.76

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Solution

The fourth proportional to 886,970.79, 1,331,451.27 and 354,862.76 is: 532,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,970.79 : 1,331,451.27 = 354,862.76 : x
  2. Step 2: Convert to fraction form
    886,970.79/1,331,451.27 = 354,862.76/x
  3. Step 3: Cross multiply
    886,970.79x = 1,331,451.27 × 354,862.76
  4. Step 4: Simplify right side
    886,970.79x = 472,482,465,820.45
  5. Step 5: Solve for x
    x = 472,482,465,820.45/886,970.79
  6. Step 6: Final answer
    x = 532,692.25

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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.