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Finding the Fourth Proportional to 641,482.98, 962,969.85 and 375,434.43

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Solution

The fourth proportional to 641,482.98, 962,969.85 and 375,434.43 is: 563,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,482.98 : 962,969.85 = 375,434.43 : x
  2. Step 2: Convert to fraction form
    641,482.98/962,969.85 = 375,434.43/x
  3. Step 3: Cross multiply
    641,482.98x = 962,969.85 × 375,434.43
  4. Step 4: Simplify right side
    641,482.98x = 361,532,036,741.94
  5. Step 5: Solve for x
    x = 361,532,036,741.94/641,482.98
  6. Step 6: Final answer
    x = 563,587.89

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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.