Home / 771,081.60-1,156,276.80-350,140.80

Finding the Fourth Proportional to 771,081.60, 1,156,276.80 and 350,140.80

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Solution

The fourth proportional to 771,081.60, 1,156,276.80 and 350,140.80 is: 525,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,081.60 : 1,156,276.80 = 350,140.80 : x
  2. Step 2: Convert to fraction form
    771,081.60/1,156,276.80 = 350,140.80/x
  3. Step 3: Cross multiply
    771,081.60x = 1,156,276.80 × 350,140.80
  4. Step 4: Simplify right side
    771,081.60x = 404,859,683,773.44
  5. Step 5: Solve for x
    x = 404,859,683,773.44/771,081.60
  6. Step 6: Final answer
    x = 525,054.27

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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.