Home / 675,344.76-1,011,178.80-475,365.48

Finding the Fourth Proportional to 675,344.76, 1,011,178.80 and 475,365.48

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Solution

The fourth proportional to 675,344.76, 1,011,178.80 and 475,365.48 is: 711,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,344.76 : 1,011,178.80 = 475,365.48 : x
  2. Step 2: Convert to fraction form
    675,344.76/1,011,178.80 = 475,365.48/x
  3. Step 3: Cross multiply
    675,344.76x = 1,011,178.80 × 475,365.48
  4. Step 4: Simplify right side
    675,344.76x = 480,679,495,627.82
  5. Step 5: Solve for x
    x = 480,679,495,627.82/675,344.76
  6. Step 6: Final answer
    x = 711,754.24

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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.