Home / 784,482.25-1,176,721.44-442,770.77

Finding the Fourth Proportional to 784,482.25, 1,176,721.44 and 442,770.77

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Solution

The fourth proportional to 784,482.25, 1,176,721.44 and 442,770.77 is: 664,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,482.25 : 1,176,721.44 = 442,770.77 : x
  2. Step 2: Convert to fraction form
    784,482.25/1,176,721.44 = 442,770.77/x
  3. Step 3: Cross multiply
    784,482.25x = 1,176,721.44 × 442,770.77
  4. Step 4: Simplify right side
    784,482.25x = 521,017,852,180.70
  5. Step 5: Solve for x
    x = 521,017,852,180.70/784,482.25
  6. Step 6: Final answer
    x = 664,155.06

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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.