Home / 917,232.15-1,265,784.34-509,332.74

Finding the Fourth Proportional to 917,232.15, 1,265,784.34 and 509,332.74

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Solution

The fourth proportional to 917,232.15, 1,265,784.34 and 509,332.74 is: 702,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,232.15 : 1,265,784.34 = 509,332.74 : x
  2. Step 2: Convert to fraction form
    917,232.15/1,265,784.34 = 509,332.74/x
  3. Step 3: Cross multiply
    917,232.15x = 1,265,784.34 × 509,332.74
  4. Step 4: Simplify right side
    917,232.15x = 644,705,407,414.62
  5. Step 5: Solve for x
    x = 644,705,407,414.62/917,232.15
  6. Step 6: Final answer
    x = 702,881.39

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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.