Home / 914,612.40-1,371,918.60-249,764.40

Finding the Fourth Proportional to 914,612.40, 1,371,918.60 and 249,764.40

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Solution

The fourth proportional to 914,612.40, 1,371,918.60 and 249,764.40 is: 374,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,612.40 : 1,371,918.60 = 249,764.40 : x
  2. Step 2: Convert to fraction form
    914,612.40/1,371,918.60 = 249,764.40/x
  3. Step 3: Cross multiply
    914,612.40x = 1,371,918.60 × 249,764.40
  4. Step 4: Simplify right side
    914,612.40x = 342,656,425,977.84
  5. Step 5: Solve for x
    x = 342,656,425,977.84/914,612.40
  6. Step 6: Final answer
    x = 374,646.60

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Double scale
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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.