Home / 803,658.78-1,108,968.23-481,360.59

Finding the Fourth Proportional to 803,658.78, 1,108,968.23 and 481,360.59

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Solution

The fourth proportional to 803,658.78, 1,108,968.23 and 481,360.59 is: 664,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,658.78 : 1,108,968.23 = 481,360.59 : x
  2. Step 2: Convert to fraction form
    803,658.78/1,108,968.23 = 481,360.59/x
  3. Step 3: Cross multiply
    803,658.78x = 1,108,968.23 × 481,360.59
  4. Step 4: Simplify right side
    803,658.78x = 533,813,602,687.46
  5. Step 5: Solve for x
    x = 533,813,602,687.46/803,658.78
  6. Step 6: Final answer
    x = 664,229.17

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1.5x scale

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.