Home / 832,306.47-1,148,459.78-505,449.50

Finding the Fourth Proportional to 832,306.47, 1,148,459.78 and 505,449.50

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Solution

The fourth proportional to 832,306.47, 1,148,459.78 and 505,449.50 is: 697,445.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,306.47 : 1,148,459.78 = 505,449.50 : x
  2. Step 2: Convert to fraction form
    832,306.47/1,148,459.78 = 505,449.50/x
  3. Step 3: Cross multiply
    832,306.47x = 1,148,459.78 × 505,449.50
  4. Step 4: Simplify right side
    832,306.47x = 580,488,413,301.56
  5. Step 5: Solve for x
    x = 580,488,413,301.56/832,306.47
  6. Step 6: Final answer
    x = 697,445.51

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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.