Home / 956,860-1,320,527.28-527,140.96

Finding the Fourth Proportional to 956,860, 1,320,527.28 and 527,140.96

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Solution

The fourth proportional to 956,860, 1,320,527.28 and 527,140.96 is: 727,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,860 : 1,320,527.28 = 527,140.96 : x
  2. Step 2: Convert to fraction form
    956,860/1,320,527.28 = 527,140.96/x
  3. Step 3: Cross multiply
    956,860x = 1,320,527.28 × 527,140.96
  4. Step 4: Simplify right side
    956,860x = 696,104,018,085.39
  5. Step 5: Solve for x
    x = 696,104,018,085.39/956,860
  6. Step 6: Final answer
    x = 727,487.84

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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.