Home / 988,429.23-1,482,081.71-389,065.41

Finding the Fourth Proportional to 988,429.23, 1,482,081.71 and 389,065.41

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Solution

The fourth proportional to 988,429.23, 1,482,081.71 and 389,065.41 is: 583,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,429.23 : 1,482,081.71 = 389,065.41 : x
  2. Step 2: Convert to fraction form
    988,429.23/1,482,081.71 = 389,065.41/x
  3. Step 3: Cross multiply
    988,429.23x = 1,482,081.71 × 389,065.41
  4. Step 4: Simplify right side
    988,429.23x = 576,626,726,209.32
  5. Step 5: Solve for x
    x = 576,626,726,209.32/988,429.23
  6. Step 6: Final answer
    x = 583,376.85

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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.