Home / 699,017.60-1,048,515.76-314,494.85

Finding the Fourth Proportional to 699,017.60, 1,048,515.76 and 314,494.85

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Solution

The fourth proportional to 699,017.60, 1,048,515.76 and 314,494.85 is: 471,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,017.60 : 1,048,515.76 = 314,494.85 : x
  2. Step 2: Convert to fraction form
    699,017.60/1,048,515.76 = 314,494.85/x
  3. Step 3: Cross multiply
    699,017.60x = 1,048,515.76 × 314,494.85
  4. Step 4: Simplify right side
    699,017.60x = 329,752,810,562.76
  5. Step 5: Solve for x
    x = 329,752,810,562.76/699,017.60
  6. Step 6: Final answer
    x = 471,737.50

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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.