Home / 403,320.29-604,976.31-103,799.70

Finding the Fourth Proportional to 403,320.29, 604,976.31 and 103,799.70

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Solution

The fourth proportional to 403,320.29, 604,976.31 and 103,799.70 is: 155,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,320.29 : 604,976.31 = 103,799.70 : x
  2. Step 2: Convert to fraction form
    403,320.29/604,976.31 = 103,799.70/x
  3. Step 3: Cross multiply
    403,320.29x = 604,976.31 × 103,799.70
  4. Step 4: Simplify right side
    403,320.29x = 62,796,359,485.11
  5. Step 5: Solve for x
    x = 62,796,359,485.11/403,320.29
  6. Step 6: Final answer
    x = 155,698.49

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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.