Home / 785,805.72-1,084,677.39-510,540.18

Finding the Fourth Proportional to 785,805.72, 1,084,677.39 and 510,540.18

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Solution

The fourth proportional to 785,805.72, 1,084,677.39 and 510,540.18 is: 704,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,805.72 : 1,084,677.39 = 510,540.18 : x
  2. Step 2: Convert to fraction form
    785,805.72/1,084,677.39 = 510,540.18/x
  3. Step 3: Cross multiply
    785,805.72x = 1,084,677.39 × 510,540.18
  4. Step 4: Simplify right side
    785,805.72x = 553,771,389,932.53
  5. Step 5: Solve for x
    x = 553,771,389,932.53/785,805.72
  6. Step 6: Final answer
    x = 704,717.94

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1.5x scale

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.