Home / 914,478.60-1,261,966.80-506,579.22

Finding the Fourth Proportional to 914,478.60, 1,261,966.80 and 506,579.22

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Solution

The fourth proportional to 914,478.60, 1,261,966.80 and 506,579.22 is: 699,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,478.60 : 1,261,966.80 = 506,579.22 : x
  2. Step 2: Convert to fraction form
    914,478.60/1,261,966.80 = 506,579.22/x
  3. Step 3: Cross multiply
    914,478.60x = 1,261,966.80 × 506,579.22
  4. Step 4: Simplify right side
    914,478.60x = 639,286,157,209.90
  5. Step 5: Solve for x
    x = 639,286,157,209.90/914,478.60
  6. Step 6: Final answer
    x = 699,071.75

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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.