Home / 803,606.28-1,205,409.42-381,602.76

Finding the Fourth Proportional to 803,606.28, 1,205,409.42 and 381,602.76

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Solution

The fourth proportional to 803,606.28, 1,205,409.42 and 381,602.76 is: 572,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,606.28 : 1,205,409.42 = 381,602.76 : x
  2. Step 2: Convert to fraction form
    803,606.28/1,205,409.42 = 381,602.76/x
  3. Step 3: Cross multiply
    803,606.28x = 1,205,409.42 × 381,602.76
  4. Step 4: Simplify right side
    803,606.28x = 459,987,561,602.00
  5. Step 5: Solve for x
    x = 459,987,561,602.00/803,606.28
  6. Step 6: Final answer
    x = 572,404.14

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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.