Home / 771,261.40-1,159,656.90-649,610.20

Finding the Fourth Proportional to 771,261.40, 1,159,656.90 and 649,610.20

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Solution

The fourth proportional to 771,261.40, 1,159,656.90 and 649,610.20 is: 976,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,261.40 : 1,159,656.90 = 649,610.20 : x
  2. Step 2: Convert to fraction form
    771,261.40/1,159,656.90 = 649,610.20/x
  3. Step 3: Cross multiply
    771,261.40x = 1,159,656.90 × 649,610.20
  4. Step 4: Simplify right side
    771,261.40x = 753,324,950,740.38
  5. Step 5: Solve for x
    x = 753,324,950,740.38/771,261.40
  6. Step 6: Final answer
    x = 976,744.01

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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.