Home / 658,074.13-985,613.10-515,027.32

Finding the Fourth Proportional to 658,074.13, 985,613.10 and 515,027.32

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Solution

The fourth proportional to 658,074.13, 985,613.10 and 515,027.32 is: 771,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,074.13 : 985,613.10 = 515,027.32 : x
  2. Step 2: Convert to fraction form
    658,074.13/985,613.10 = 515,027.32/x
  3. Step 3: Cross multiply
    658,074.13x = 985,613.10 × 515,027.32
  4. Step 4: Simplify right side
    658,074.13x = 507,617,673,449.89
  5. Step 5: Solve for x
    x = 507,617,673,449.89/658,074.13
  6. Step 6: Final answer
    x = 771,368.53

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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.