Home / 638,651.16-881,332.10-348,262.02

Finding the Fourth Proportional to 638,651.16, 881,332.10 and 348,262.02

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Solution

The fourth proportional to 638,651.16, 881,332.10 and 348,262.02 is: 480,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,651.16 : 881,332.10 = 348,262.02 : x
  2. Step 2: Convert to fraction form
    638,651.16/881,332.10 = 348,262.02/x
  3. Step 3: Cross multiply
    638,651.16x = 881,332.10 × 348,262.02
  4. Step 4: Simplify right side
    638,651.16x = 306,934,497,436.84
  5. Step 5: Solve for x
    x = 306,934,497,436.84/638,651.16
  6. Step 6: Final answer
    x = 480,598.04

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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.