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Finding the Fourth Proportional to 570,573.14, 787,335.62 and 341,084.43

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Solution

The fourth proportional to 570,573.14, 787,335.62 and 341,084.43 is: 470,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,573.14 : 787,335.62 = 341,084.43 : x
  2. Step 2: Convert to fraction form
    570,573.14/787,335.62 = 341,084.43/x
  3. Step 3: Cross multiply
    570,573.14x = 787,335.62 × 341,084.43
  4. Step 4: Simplify right side
    570,573.14x = 268,547,919,460.97
  5. Step 5: Solve for x
    x = 268,547,919,460.97/570,573.14
  6. Step 6: Final answer
    x = 470,663.45

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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.