Home / 693,120.14-1,039,417.76-272,166.38

Finding the Fourth Proportional to 693,120.14, 1,039,417.76 and 272,166.38

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Solution

The fourth proportional to 693,120.14, 1,039,417.76 and 272,166.38 is: 408,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,120.14 : 1,039,417.76 = 272,166.38 : x
  2. Step 2: Convert to fraction form
    693,120.14/1,039,417.76 = 272,166.38/x
  3. Step 3: Cross multiply
    693,120.14x = 1,039,417.76 × 272,166.38
  4. Step 4: Simplify right side
    693,120.14x = 282,894,564,530.24
  5. Step 5: Solve for x
    x = 282,894,564,530.24/693,120.14
  6. Step 6: Final answer
    x = 408,146.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.