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Finding the Fourth Proportional to 655,490.34, 983,541.69 and 339,775.02

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Solution

The fourth proportional to 655,490.34, 983,541.69 and 339,775.02 is: 509,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,490.34 : 983,541.69 = 339,775.02 : x
  2. Step 2: Convert to fraction form
    655,490.34/983,541.69 = 339,775.02/x
  3. Step 3: Cross multiply
    655,490.34x = 983,541.69 × 339,775.02
  4. Step 4: Simplify right side
    655,490.34x = 334,182,897,390.58
  5. Step 5: Solve for x
    x = 334,182,897,390.58/655,490.34
  6. Step 6: Final answer
    x = 509,821.24

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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.