Home / 772,189.70-1,159,062.15-373,151.30

Finding the Fourth Proportional to 772,189.70, 1,159,062.15 and 373,151.30

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Solution

The fourth proportional to 772,189.70, 1,159,062.15 and 373,151.30 is: 560,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,189.70 : 1,159,062.15 = 373,151.30 : x
  2. Step 2: Convert to fraction form
    772,189.70/1,159,062.15 = 373,151.30/x
  3. Step 3: Cross multiply
    772,189.70x = 1,159,062.15 × 373,151.30
  4. Step 4: Simplify right side
    772,189.70x = 432,505,548,053.30
  5. Step 5: Solve for x
    x = 432,505,548,053.30/772,189.70
  6. Step 6: Final answer
    x = 560,102.72

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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.