Home / 638,433.53-881,048.04-348,045.29

Finding the Fourth Proportional to 638,433.53, 881,048.04 and 348,045.29

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Solution

The fourth proportional to 638,433.53, 881,048.04 and 348,045.29 is: 480,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,433.53 : 881,048.04 = 348,045.29 : x
  2. Step 2: Convert to fraction form
    638,433.53/881,048.04 = 348,045.29/x
  3. Step 3: Cross multiply
    638,433.53x = 881,048.04 × 348,045.29
  4. Step 4: Simplify right side
    638,433.53x = 306,644,620,585.73
  5. Step 5: Solve for x
    x = 306,644,620,585.73/638,433.53
  6. Step 6: Final answer
    x = 480,307.83

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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.