Home / 876,391.20-1,315,623.60-497,613.60

Finding the Fourth Proportional to 876,391.20, 1,315,623.60 and 497,613.60

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Solution

The fourth proportional to 876,391.20, 1,315,623.60 and 497,613.60 is: 747,009.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,391.20 : 1,315,623.60 = 497,613.60 : x
  2. Step 2: Convert to fraction form
    876,391.20/1,315,623.60 = 497,613.60/x
  3. Step 3: Cross multiply
    876,391.20x = 1,315,623.60 × 497,613.60
  4. Step 4: Simplify right side
    876,391.20x = 654,672,195,840.96
  5. Step 5: Solve for x
    x = 654,672,195,840.96/876,391.20
  6. Step 6: Final answer
    x = 747,009.09

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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.