Home / 516,556.64-772,064.38-465,839.84

Finding the Fourth Proportional to 516,556.64, 772,064.38 and 465,839.84

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Solution

The fourth proportional to 516,556.64, 772,064.38 and 465,839.84 is: 696,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,556.64 : 772,064.38 = 465,839.84 : x
  2. Step 2: Convert to fraction form
    516,556.64/772,064.38 = 465,839.84/x
  3. Step 3: Cross multiply
    516,556.64x = 772,064.38 × 465,839.84
  4. Step 4: Simplify right side
    516,556.64x = 359,658,347,248.90
  5. Step 5: Solve for x
    x = 359,658,347,248.90/516,556.64
  6. Step 6: Final answer
    x = 696,261.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.