Home / 772,160.04-1,158,189.23-266,728.28

Finding the Fourth Proportional to 772,160.04, 1,158,189.23 and 266,728.28

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Solution

The fourth proportional to 772,160.04, 1,158,189.23 and 266,728.28 is: 400,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,160.04 : 1,158,189.23 = 266,728.28 : x
  2. Step 2: Convert to fraction form
    772,160.04/1,158,189.23 = 266,728.28/x
  3. Step 3: Cross multiply
    772,160.04x = 1,158,189.23 × 266,728.28
  4. Step 4: Simplify right side
    772,160.04x = 308,921,816,108.30
  5. Step 5: Solve for x
    x = 308,921,816,108.30/772,160.04
  6. Step 6: Final answer
    x = 400,074.86

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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.