Home / 705,027.49-972,835.28-403,163.17

Finding the Fourth Proportional to 705,027.49, 972,835.28 and 403,163.17

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Solution

The fourth proportional to 705,027.49, 972,835.28 and 403,163.17 is: 556,306.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,027.49 : 972,835.28 = 403,163.17 : x
  2. Step 2: Convert to fraction form
    705,027.49/972,835.28 = 403,163.17/x
  3. Step 3: Cross multiply
    705,027.49x = 972,835.28 × 403,163.17
  4. Step 4: Simplify right side
    705,027.49x = 392,211,350,924.73
  5. Step 5: Solve for x
    x = 392,211,350,924.73/705,027.49
  6. Step 6: Final answer
    x = 556,306.47

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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.