Home / 527,190.20-789,710.10-326,895.80

Finding the Fourth Proportional to 527,190.20, 789,710.10 and 326,895.80

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Solution

The fourth proportional to 527,190.20, 789,710.10 and 326,895.80 is: 489,677.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,190.20 : 789,710.10 = 326,895.80 : x
  2. Step 2: Convert to fraction form
    527,190.20/789,710.10 = 326,895.80/x
  3. Step 3: Cross multiply
    527,190.20x = 789,710.10 × 326,895.80
  4. Step 4: Simplify right side
    527,190.20x = 258,152,914,907.58
  5. Step 5: Solve for x
    x = 258,152,914,907.58/527,190.20
  6. Step 6: Final answer
    x = 489,677.00

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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.