Home / 745,610.10-1,118,601.45-240,218.70

Finding the Fourth Proportional to 745,610.10, 1,118,601.45 and 240,218.70

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Solution

The fourth proportional to 745,610.10, 1,118,601.45 and 240,218.70 is: 360,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,610.10 : 1,118,601.45 = 240,218.70 : x
  2. Step 2: Convert to fraction form
    745,610.10/1,118,601.45 = 240,218.70/x
  3. Step 3: Cross multiply
    745,610.10x = 1,118,601.45 × 240,218.70
  4. Step 4: Simplify right side
    745,610.10x = 268,708,986,137.12
  5. Step 5: Solve for x
    x = 268,708,986,137.12/745,610.10
  6. Step 6: Final answer
    x = 360,388.07

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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.