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Finding the Fourth Proportional to 615,277.40, 923,045.70 and 260,108.60

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Solution

The fourth proportional to 615,277.40, 923,045.70 and 260,108.60 is: 390,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,277.40 : 923,045.70 = 260,108.60 : x
  2. Step 2: Convert to fraction form
    615,277.40/923,045.70 = 260,108.60/x
  3. Step 3: Cross multiply
    615,277.40x = 923,045.70 × 260,108.60
  4. Step 4: Simplify right side
    615,277.40x = 240,092,124,763.02
  5. Step 5: Solve for x
    x = 240,092,124,763.02/615,277.40
  6. Step 6: Final answer
    x = 390,217.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.