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Finding the Fourth Proportional to 560,580.60, 840,981.57 and 205,597.70

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Solution

The fourth proportional to 560,580.60, 840,981.57 and 205,597.70 is: 308,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,580.60 : 840,981.57 = 205,597.70 : x
  2. Step 2: Convert to fraction form
    560,580.60/840,981.57 = 205,597.70/x
  3. Step 3: Cross multiply
    560,580.60x = 840,981.57 × 205,597.70
  4. Step 4: Simplify right side
    560,580.60x = 172,903,874,712.17
  5. Step 5: Solve for x
    x = 172,903,874,712.17/560,580.60
  6. Step 6: Final answer
    x = 308,437.13

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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.