Home / 897,898.14-1,239,311.52-516,146.40

Finding the Fourth Proportional to 897,898.14, 1,239,311.52 and 516,146.40

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Solution

The fourth proportional to 897,898.14, 1,239,311.52 and 516,146.40 is: 712,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,898.14 : 1,239,311.52 = 516,146.40 : x
  2. Step 2: Convert to fraction form
    897,898.14/1,239,311.52 = 516,146.40/x
  3. Step 3: Cross multiply
    897,898.14x = 1,239,311.52 × 516,146.40
  4. Step 4: Simplify right side
    897,898.14x = 639,666,179,526.53
  5. Step 5: Solve for x
    x = 639,666,179,526.53/897,898.14
  6. Step 6: Final answer
    x = 712,403.95

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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.