Home / 803,106.28-1,108,100.82-480,693.88

Finding the Fourth Proportional to 803,106.28, 1,108,100.82 and 480,693.88

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Solution

The fourth proportional to 803,106.28, 1,108,100.82 and 480,693.88 is: 663,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,106.28 : 1,108,100.82 = 480,693.88 : x
  2. Step 2: Convert to fraction form
    803,106.28/1,108,100.82 = 480,693.88/x
  3. Step 3: Cross multiply
    803,106.28x = 1,108,100.82 × 480,693.88
  4. Step 4: Simplify right side
    803,106.28x = 532,657,282,596.98
  5. Step 5: Solve for x
    x = 532,657,282,596.98/803,106.28
  6. Step 6: Final answer
    x = 663,246.32

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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.