Home / 941,289.62-1,298,989.70-511,569.76

Finding the Fourth Proportional to 941,289.62, 1,298,989.70 and 511,569.76

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Solution

The fourth proportional to 941,289.62, 1,298,989.70 and 511,569.76 is: 705,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,289.62 : 1,298,989.70 = 511,569.76 : x
  2. Step 2: Convert to fraction form
    941,289.62/1,298,989.70 = 511,569.76/x
  3. Step 3: Cross multiply
    941,289.62x = 1,298,989.70 × 511,569.76
  4. Step 4: Simplify right side
    941,289.62x = 664,523,849,071.47
  5. Step 5: Solve for x
    x = 664,523,849,071.47/941,289.62
  6. Step 6: Final answer
    x = 705,971.72

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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.