Home / 880,770.15-1,321,155.23-249,689.43

Finding the Fourth Proportional to 880,770.15, 1,321,155.23 and 249,689.43

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Solution

The fourth proportional to 880,770.15, 1,321,155.23 and 249,689.43 is: 374,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,770.15 : 1,321,155.23 = 249,689.43 : x
  2. Step 2: Convert to fraction form
    880,770.15/1,321,155.23 = 249,689.43/x
  3. Step 3: Cross multiply
    880,770.15x = 1,321,155.23 × 249,689.43
  4. Step 4: Simplify right side
    880,770.15x = 329,878,495,071.77
  5. Step 5: Solve for x
    x = 329,878,495,071.77/880,770.15
  6. Step 6: Final answer
    x = 374,534.15

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Similar ratio
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1.5x scale

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.