Home / 986,443.92-1,478,777.30-354,913.38

Finding the Fourth Proportional to 986,443.92, 1,478,777.30 and 354,913.38

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Solution

The fourth proportional to 986,443.92, 1,478,777.30 and 354,913.38 is: 532,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,443.92 : 1,478,777.30 = 354,913.38 : x
  2. Step 2: Convert to fraction form
    986,443.92/1,478,777.30 = 354,913.38/x
  3. Step 3: Cross multiply
    986,443.92x = 1,478,777.30 × 354,913.38
  4. Step 4: Simplify right side
    986,443.92x = 524,837,840,641.82
  5. Step 5: Solve for x
    x = 524,837,840,641.82/986,443.92
  6. Step 6: Final answer
    x = 532,050.36

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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.