Home / 791,187.80-1,187,703.30-476,000.60

Finding the Fourth Proportional to 791,187.80, 1,187,703.30 and 476,000.60

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Solution

The fourth proportional to 791,187.80, 1,187,703.30 and 476,000.60 is: 714,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,187.80 : 1,187,703.30 = 476,000.60 : x
  2. Step 2: Convert to fraction form
    791,187.80/1,187,703.30 = 476,000.60/x
  3. Step 3: Cross multiply
    791,187.80x = 1,187,703.30 × 476,000.60
  4. Step 4: Simplify right side
    791,187.80x = 565,347,483,421.98
  5. Step 5: Solve for x
    x = 565,347,483,421.98/791,187.80
  6. Step 6: Final answer
    x = 714,555.36

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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.