Home / 784,723.38-1,176,786.28-464,965.48

Finding the Fourth Proportional to 784,723.38, 1,176,786.28 and 464,965.48

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Solution

The fourth proportional to 784,723.38, 1,176,786.28 and 464,965.48 is: 697,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,723.38 : 1,176,786.28 = 464,965.48 : x
  2. Step 2: Convert to fraction form
    784,723.38/1,176,786.28 = 464,965.48/x
  3. Step 3: Cross multiply
    784,723.38x = 1,176,786.28 × 464,965.48
  4. Step 4: Simplify right side
    784,723.38x = 547,164,997,537.61
  5. Step 5: Solve for x
    x = 547,164,997,537.61/784,723.38
  6. Step 6: Final answer
    x = 697,271.18

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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.