Home / 781,775.96-1,170,679.23-655,083.05

Finding the Fourth Proportional to 781,775.96, 1,170,679.23 and 655,083.05

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Solution

The fourth proportional to 781,775.96, 1,170,679.23 and 655,083.05 is: 980,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,775.96 : 1,170,679.23 = 655,083.05 : x
  2. Step 2: Convert to fraction form
    781,775.96/1,170,679.23 = 655,083.05/x
  3. Step 3: Cross multiply
    781,775.96x = 1,170,679.23 × 655,083.05
  4. Step 4: Simplify right side
    781,775.96x = 766,892,114,706.66
  5. Step 5: Solve for x
    x = 766,892,114,706.66/781,775.96
  6. Step 6: Final answer
    x = 980,961.50

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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.