Home / 440,938.89-608,478.02-259,658.46

Finding the Fourth Proportional to 440,938.89, 608,478.02 and 259,658.46

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Solution

The fourth proportional to 440,938.89, 608,478.02 and 259,658.46 is: 358,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,938.89 : 608,478.02 = 259,658.46 : x
  2. Step 2: Convert to fraction form
    440,938.89/608,478.02 = 259,658.46/x
  3. Step 3: Cross multiply
    440,938.89x = 608,478.02 × 259,658.46
  4. Step 4: Simplify right side
    440,938.89x = 157,996,464,318.76
  5. Step 5: Solve for x
    x = 157,996,464,318.76/440,938.89
  6. Step 6: Final answer
    x = 358,318.28

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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.