Home / 814,479.46-1,124,145.22-470,371.42

Finding the Fourth Proportional to 814,479.46, 1,124,145.22 and 470,371.42

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Solution

The fourth proportional to 814,479.46, 1,124,145.22 and 470,371.42 is: 649,207.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,479.46 : 1,124,145.22 = 470,371.42 : x
  2. Step 2: Convert to fraction form
    814,479.46/1,124,145.22 = 470,371.42/x
  3. Step 3: Cross multiply
    814,479.46x = 1,124,145.22 × 470,371.42
  4. Step 4: Simplify right side
    814,479.46x = 528,765,781,770.74
  5. Step 5: Solve for x
    x = 528,765,781,770.74/814,479.46
  6. Step 6: Final answer
    x = 649,207.01

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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.