Home / 740,225.20-1,110,337.80-266,958.40

Finding the Fourth Proportional to 740,225.20, 1,110,337.80 and 266,958.40

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Solution

The fourth proportional to 740,225.20, 1,110,337.80 and 266,958.40 is: 400,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,225.20 : 1,110,337.80 = 266,958.40 : x
  2. Step 2: Convert to fraction form
    740,225.20/1,110,337.80 = 266,958.40/x
  3. Step 3: Cross multiply
    740,225.20x = 1,110,337.80 × 266,958.40
  4. Step 4: Simplify right side
    740,225.20x = 296,414,002,547.52
  5. Step 5: Solve for x
    x = 296,414,002,547.52/740,225.20
  6. Step 6: Final answer
    x = 400,437.60

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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.