Home / 917,244.54-1,265,772.96-509,335.74

Finding the Fourth Proportional to 917,244.54, 1,265,772.96 and 509,335.74

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Solution

The fourth proportional to 917,244.54, 1,265,772.96 and 509,335.74 is: 702,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,244.54 : 1,265,772.96 = 509,335.74 : x
  2. Step 2: Convert to fraction form
    917,244.54/1,265,772.96 = 509,335.74/x
  3. Step 3: Cross multiply
    917,244.54x = 1,265,772.96 × 509,335.74
  4. Step 4: Simplify right side
    917,244.54x = 644,703,407,253.59
  5. Step 5: Solve for x
    x = 644,703,407,253.59/917,244.54
  6. Step 6: Final answer
    x = 702,869.71

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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.