Home / 762,947.80-1,144,421.70-230,413.30

Finding the Fourth Proportional to 762,947.80, 1,144,421.70 and 230,413.30

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Solution

The fourth proportional to 762,947.80, 1,144,421.70 and 230,413.30 is: 345,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,947.80 : 1,144,421.70 = 230,413.30 : x
  2. Step 2: Convert to fraction form
    762,947.80/1,144,421.70 = 230,413.30/x
  3. Step 3: Cross multiply
    762,947.80x = 1,144,421.70 × 230,413.30
  4. Step 4: Simplify right side
    762,947.80x = 263,689,980,488.61
  5. Step 5: Solve for x
    x = 263,689,980,488.61/762,947.80
  6. Step 6: Final answer
    x = 345,619.95

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Double scale
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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.