Home / 384,817.12-574,407.70-339,366.72

Finding the Fourth Proportional to 384,817.12, 574,407.70 and 339,366.72

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Solution

The fourth proportional to 384,817.12, 574,407.70 and 339,366.72 is: 506,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,817.12 : 574,407.70 = 339,366.72 : x
  2. Step 2: Convert to fraction form
    384,817.12/574,407.70 = 339,366.72/x
  3. Step 3: Cross multiply
    384,817.12x = 574,407.70 × 339,366.72
  4. Step 4: Simplify right side
    384,817.12x = 194,934,857,091.74
  5. Step 5: Solve for x
    x = 194,934,857,091.74/384,817.12
  6. Step 6: Final answer
    x = 506,564.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.