Home / 745,411.20-1,118,116.80-184,445.70

Finding the Fourth Proportional to 745,411.20, 1,118,116.80 and 184,445.70

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Solution

The fourth proportional to 745,411.20, 1,118,116.80 and 184,445.70 is: 276,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,411.20 : 1,118,116.80 = 184,445.70 : x
  2. Step 2: Convert to fraction form
    745,411.20/1,118,116.80 = 184,445.70/x
  3. Step 3: Cross multiply
    745,411.20x = 1,118,116.80 × 184,445.70
  4. Step 4: Simplify right side
    745,411.20x = 206,231,835,857.76
  5. Step 5: Solve for x
    x = 206,231,835,857.76/745,411.20
  6. Step 6: Final answer
    x = 276,668.55

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Double scale
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Similar ratio
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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.