Home / 840,503.79-1,159,872.26-458,530.47

Finding the Fourth Proportional to 840,503.79, 1,159,872.26 and 458,530.47

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Solution

The fourth proportional to 840,503.79, 1,159,872.26 and 458,530.47 is: 632,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,503.79 : 1,159,872.26 = 458,530.47 : x
  2. Step 2: Convert to fraction form
    840,503.79/1,159,872.26 = 458,530.47/x
  3. Step 3: Cross multiply
    840,503.79x = 1,159,872.26 × 458,530.47
  4. Step 4: Simplify right side
    840,503.79x = 531,836,772,517.76
  5. Step 5: Solve for x
    x = 531,836,772,517.76/840,503.79
  6. Step 6: Final answer
    x = 632,759.52

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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.