Home / 988,885.80-1,482,837.45-314,879.10

Finding the Fourth Proportional to 988,885.80, 1,482,837.45 and 314,879.10

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Solution

The fourth proportional to 988,885.80, 1,482,837.45 and 314,879.10 is: 472,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,885.80 : 1,482,837.45 = 314,879.10 : x
  2. Step 2: Convert to fraction form
    988,885.80/1,482,837.45 = 314,879.10/x
  3. Step 3: Cross multiply
    988,885.80x = 1,482,837.45 × 314,879.10
  4. Step 4: Simplify right side
    988,885.80x = 466,914,521,702.30
  5. Step 5: Solve for x
    x = 466,914,521,702.30/988,885.80
  6. Step 6: Final answer
    x = 472,162.23

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1.5x scale

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.