Home / 803,118.20-1,108,149.74-459,063.23

Finding the Fourth Proportional to 803,118.20, 1,108,149.74 and 459,063.23

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Solution

The fourth proportional to 803,118.20, 1,108,149.74 and 459,063.23 is: 633,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,118.20 : 1,108,149.74 = 459,063.23 : x
  2. Step 2: Convert to fraction form
    803,118.20/1,108,149.74 = 459,063.23/x
  3. Step 3: Cross multiply
    803,118.20x = 1,108,149.74 × 459,063.23
  4. Step 4: Simplify right side
    803,118.20x = 508,710,791,132.00
  5. Step 5: Solve for x
    x = 508,710,791,132.00/803,118.20
  6. Step 6: Final answer
    x = 633,419.58

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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.