Home / 767,471.80-1,151,207.70-723,926.20

Finding the Fourth Proportional to 767,471.80, 1,151,207.70 and 723,926.20

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Solution

The fourth proportional to 767,471.80, 1,151,207.70 and 723,926.20 is: 1,085,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,471.80 : 1,151,207.70 = 723,926.20 : x
  2. Step 2: Convert to fraction form
    767,471.80/1,151,207.70 = 723,926.20/x
  3. Step 3: Cross multiply
    767,471.80x = 1,151,207.70 × 723,926.20
  4. Step 4: Simplify right side
    767,471.80x = 833,389,415,671.74
  5. Step 5: Solve for x
    x = 833,389,415,671.74/767,471.80
  6. Step 6: Final answer
    x = 1,085,889.30

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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.