Home / 674,816.69-931,253.24-384,423.95

Finding the Fourth Proportional to 674,816.69, 931,253.24 and 384,423.95

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Solution

The fourth proportional to 674,816.69, 931,253.24 and 384,423.95 is: 530,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,816.69 : 931,253.24 = 384,423.95 : x
  2. Step 2: Convert to fraction form
    674,816.69/931,253.24 = 384,423.95/x
  3. Step 3: Cross multiply
    674,816.69x = 931,253.24 × 384,423.95
  4. Step 4: Simplify right side
    674,816.69x = 357,996,052,260.29
  5. Step 5: Solve for x
    x = 357,996,052,260.29/674,816.69
  6. Step 6: Final answer
    x = 530,508.59

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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.