Home / 777,717.70-1,166,576.55-458,853.10

Finding the Fourth Proportional to 777,717.70, 1,166,576.55 and 458,853.10

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Solution

The fourth proportional to 777,717.70, 1,166,576.55 and 458,853.10 is: 688,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,717.70 : 1,166,576.55 = 458,853.10 : x
  2. Step 2: Convert to fraction form
    777,717.70/1,166,576.55 = 458,853.10/x
  3. Step 3: Cross multiply
    777,717.70x = 1,166,576.55 × 458,853.10
  4. Step 4: Simplify right side
    777,717.70x = 535,287,266,354.81
  5. Step 5: Solve for x
    x = 535,287,266,354.81/777,717.70
  6. Step 6: Final answer
    x = 688,279.65

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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.