Home / 851,077.13-1,276,919.20-424,575.23

Finding the Fourth Proportional to 851,077.13, 1,276,919.20 and 424,575.23

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Solution

The fourth proportional to 851,077.13, 1,276,919.20 and 424,575.23 is: 637,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,077.13 : 1,276,919.20 = 424,575.23 : x
  2. Step 2: Convert to fraction form
    851,077.13/1,276,919.20 = 424,575.23/x
  3. Step 3: Cross multiply
    851,077.13x = 1,276,919.20 × 424,575.23
  4. Step 4: Simplify right side
    851,077.13x = 542,148,255,585.38
  5. Step 5: Solve for x
    x = 542,148,255,585.38/851,077.13
  6. Step 6: Final answer
    x = 637,014.25

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Double scale
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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.