Home / 745,617.60-1,118,612.70-240,226.20

Finding the Fourth Proportional to 745,617.60, 1,118,612.70 and 240,226.20

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Solution

The fourth proportional to 745,617.60, 1,118,612.70 and 240,226.20 is: 360,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,617.60 : 1,118,612.70 = 240,226.20 : x
  2. Step 2: Convert to fraction form
    745,617.60/1,118,612.70 = 240,226.20/x
  3. Step 3: Cross multiply
    745,617.60x = 1,118,612.70 × 240,226.20
  4. Step 4: Simplify right side
    745,617.60x = 268,720,078,192.74
  5. Step 5: Solve for x
    x = 268,720,078,192.74/745,617.60
  6. Step 6: Final answer
    x = 360,399.32

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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.