Home / 891,377.71-1,337,160.30-260,293.30

Finding the Fourth Proportional to 891,377.71, 1,337,160.30 and 260,293.30

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Solution

The fourth proportional to 891,377.71, 1,337,160.30 and 260,293.30 is: 390,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,377.71 : 1,337,160.30 = 260,293.30 : x
  2. Step 2: Convert to fraction form
    891,377.71/1,337,160.30 = 260,293.30/x
  3. Step 3: Cross multiply
    891,377.71x = 1,337,160.30 × 260,293.30
  4. Step 4: Simplify right side
    891,377.71x = 348,053,867,115.99
  5. Step 5: Solve for x
    x = 348,053,867,115.99/891,377.71
  6. Step 6: Final answer
    x = 390,467.32

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Double scale
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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.