Home / 814,446.12-1,124,035.38-470,281.17

Finding the Fourth Proportional to 814,446.12, 1,124,035.38 and 470,281.17

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Solution

The fourth proportional to 814,446.12, 1,124,035.38 and 470,281.17 is: 649,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,446.12 : 1,124,035.38 = 470,281.17 : x
  2. Step 2: Convert to fraction form
    814,446.12/1,124,035.38 = 470,281.17/x
  3. Step 3: Cross multiply
    814,446.12x = 1,124,035.38 × 470,281.17
  4. Step 4: Simplify right side
    814,446.12x = 528,612,673,627.80
  5. Step 5: Solve for x
    x = 528,612,673,627.80/814,446.12
  6. Step 6: Final answer
    x = 649,045.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.