Home / 709,243.76-1,062,979.10-455,849.84

Finding the Fourth Proportional to 709,243.76, 1,062,979.10 and 455,849.84

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Solution

The fourth proportional to 709,243.76, 1,062,979.10 and 455,849.84 is: 683,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,243.76 : 1,062,979.10 = 455,849.84 : x
  2. Step 2: Convert to fraction form
    709,243.76/1,062,979.10 = 455,849.84/x
  3. Step 3: Cross multiply
    709,243.76x = 1,062,979.10 × 455,849.84
  4. Step 4: Simplify right side
    709,243.76x = 484,558,852,658.34
  5. Step 5: Solve for x
    x = 484,558,852,658.34/709,243.76
  6. Step 6: Final answer
    x = 683,204.96

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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.