Home / 914,587.20-1,371,880.80-283,694.40

Finding the Fourth Proportional to 914,587.20, 1,371,880.80 and 283,694.40

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Solution

The fourth proportional to 914,587.20, 1,371,880.80 and 283,694.40 is: 425,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,587.20 : 1,371,880.80 = 283,694.40 : x
  2. Step 2: Convert to fraction form
    914,587.20/1,371,880.80 = 283,694.40/x
  3. Step 3: Cross multiply
    914,587.20x = 1,371,880.80 × 283,694.40
  4. Step 4: Simplify right side
    914,587.20x = 389,194,900,427.52
  5. Step 5: Solve for x
    x = 389,194,900,427.52/914,587.20
  6. Step 6: Final answer
    x = 425,541.60

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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.