Home / 740,478.60-1,110,599.10-266,920.20

Finding the Fourth Proportional to 740,478.60, 1,110,599.10 and 266,920.20

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Solution

The fourth proportional to 740,478.60, 1,110,599.10 and 266,920.20 is: 400,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,478.60 : 1,110,599.10 = 266,920.20 : x
  2. Step 2: Convert to fraction form
    740,478.60/1,110,599.10 = 266,920.20/x
  3. Step 3: Cross multiply
    740,478.60x = 1,110,599.10 × 266,920.20
  4. Step 4: Simplify right side
    740,478.60x = 296,441,333,891.82
  5. Step 5: Solve for x
    x = 296,441,333,891.82/740,478.60
  6. Step 6: Final answer
    x = 400,337.48

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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.