Home / 986,870.91-1,480,359.24-313,003.38

Finding the Fourth Proportional to 986,870.91, 1,480,359.24 and 313,003.38

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Solution

The fourth proportional to 986,870.91, 1,480,359.24 and 313,003.38 is: 469,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,870.91 : 1,480,359.24 = 313,003.38 : x
  2. Step 2: Convert to fraction form
    986,870.91/1,480,359.24 = 313,003.38/x
  3. Step 3: Cross multiply
    986,870.91x = 1,480,359.24 × 313,003.38
  4. Step 4: Simplify right side
    986,870.91x = 463,357,445,734.23
  5. Step 5: Solve for x
    x = 463,357,445,734.23/986,870.91
  6. Step 6: Final answer
    x = 469,521.84

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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.