Home / 987,378.44-1,480,761.48-356,210.24

Finding the Fourth Proportional to 987,378.44, 1,480,761.48 and 356,210.24

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Solution

The fourth proportional to 987,378.44, 1,480,761.48 and 356,210.24 is: 534,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,378.44 : 1,480,761.48 = 356,210.24 : x
  2. Step 2: Convert to fraction form
    987,378.44/1,480,761.48 = 356,210.24/x
  3. Step 3: Cross multiply
    987,378.44x = 1,480,761.48 × 356,210.24
  4. Step 4: Simplify right side
    987,378.44x = 527,462,402,173.56
  5. Step 5: Solve for x
    x = 527,462,402,173.56/987,378.44
  6. Step 6: Final answer
    x = 534,204.90

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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.