Home / 926,861.80-1,390,292.70-295,821.80

Finding the Fourth Proportional to 926,861.80, 1,390,292.70 and 295,821.80

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Solution

The fourth proportional to 926,861.80, 1,390,292.70 and 295,821.80 is: 443,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,861.80 : 1,390,292.70 = 295,821.80 : x
  2. Step 2: Convert to fraction form
    926,861.80/1,390,292.70 = 295,821.80/x
  3. Step 3: Cross multiply
    926,861.80x = 1,390,292.70 × 295,821.80
  4. Step 4: Simplify right side
    926,861.80x = 411,278,889,040.86
  5. Step 5: Solve for x
    x = 411,278,889,040.86/926,861.80
  6. Step 6: Final answer
    x = 443,732.70

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Similar ratio
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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.