Home / 845,321.40-1,166,525.04-463,339.92

Finding the Fourth Proportional to 845,321.40, 1,166,525.04 and 463,339.92

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Solution

The fourth proportional to 845,321.40, 1,166,525.04 and 463,339.92 is: 639,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,321.40 : 1,166,525.04 = 463,339.92 : x
  2. Step 2: Convert to fraction form
    845,321.40/1,166,525.04 = 463,339.92/x
  3. Step 3: Cross multiply
    845,321.40x = 1,166,525.04 × 463,339.92
  4. Step 4: Simplify right side
    845,321.40x = 540,497,618,711.60
  5. Step 5: Solve for x
    x = 540,497,618,711.60/845,321.40
  6. Step 6: Final answer
    x = 639,398.95

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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.