Home / 945,723.15-1,305,292.20-578,263.11

Finding the Fourth Proportional to 945,723.15, 1,305,292.20 and 578,263.11

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Solution

The fourth proportional to 945,723.15, 1,305,292.20 and 578,263.11 is: 798,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,723.15 : 1,305,292.20 = 578,263.11 : x
  2. Step 2: Convert to fraction form
    945,723.15/1,305,292.20 = 578,263.11/x
  3. Step 3: Cross multiply
    945,723.15x = 1,305,292.20 × 578,263.11
  4. Step 4: Simplify right side
    945,723.15x = 754,802,327,030.74
  5. Step 5: Solve for x
    x = 754,802,327,030.74/945,723.15
  6. Step 6: Final answer
    x = 798,121.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.