Home / 792,443.70-1,186,566.03-417,679.38

Finding the Fourth Proportional to 792,443.70, 1,186,566.03 and 417,679.38

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Solution

The fourth proportional to 792,443.70, 1,186,566.03 and 417,679.38 is: 625,412.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,443.70 : 1,186,566.03 = 417,679.38 : x
  2. Step 2: Convert to fraction form
    792,443.70/1,186,566.03 = 417,679.38/x
  3. Step 3: Cross multiply
    792,443.70x = 1,186,566.03 × 417,679.38
  4. Step 4: Simplify right side
    792,443.70x = 495,604,163,739.46
  5. Step 5: Solve for x
    x = 495,604,163,739.46/792,443.70
  6. Step 6: Final answer
    x = 625,412.46

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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.