Home / 516,327.26-712,529.29-286,921.89

Finding the Fourth Proportional to 516,327.26, 712,529.29 and 286,921.89

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Solution

The fourth proportional to 516,327.26, 712,529.29 and 286,921.89 is: 395,950.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,327.26 : 712,529.29 = 286,921.89 : x
  2. Step 2: Convert to fraction form
    516,327.26/712,529.29 = 286,921.89/x
  3. Step 3: Cross multiply
    516,327.26x = 712,529.29 × 286,921.89
  4. Step 4: Simplify right side
    516,327.26x = 204,440,249,849.85
  5. Step 5: Solve for x
    x = 204,440,249,849.85/516,327.26
  6. Step 6: Final answer
    x = 395,950.92

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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.