Home / 803,420.55-1,205,713.34-298,053.61

Finding the Fourth Proportional to 803,420.55, 1,205,713.34 and 298,053.61

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Solution

The fourth proportional to 803,420.55, 1,205,713.34 and 298,053.61 is: 447,296.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,420.55 : 1,205,713.34 = 298,053.61 : x
  2. Step 2: Convert to fraction form
    803,420.55/1,205,713.34 = 298,053.61/x
  3. Step 3: Cross multiply
    803,420.55x = 1,205,713.34 × 298,053.61
  4. Step 4: Simplify right side
    803,420.55x = 359,367,213,612.16
  5. Step 5: Solve for x
    x = 359,367,213,612.16/803,420.55
  6. Step 6: Final answer
    x = 447,296.52

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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.