Home / 780,038.10-1,170,057.15-727,550.10

Finding the Fourth Proportional to 780,038.10, 1,170,057.15 and 727,550.10

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Solution

The fourth proportional to 780,038.10, 1,170,057.15 and 727,550.10 is: 1,091,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,038.10 : 1,170,057.15 = 727,550.10 : x
  2. Step 2: Convert to fraction form
    780,038.10/1,170,057.15 = 727,550.10/x
  3. Step 3: Cross multiply
    780,038.10x = 1,170,057.15 × 727,550.10
  4. Step 4: Simplify right side
    780,038.10x = 851,275,196,488.22
  5. Step 5: Solve for x
    x = 851,275,196,488.22/780,038.10
  6. Step 6: Final answer
    x = 1,091,325.15

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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.