Home / 939,788.12-1,296,908.82-510,068.20

Finding the Fourth Proportional to 939,788.12, 1,296,908.82 and 510,068.20

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Solution

The fourth proportional to 939,788.12, 1,296,908.82 and 510,068.20 is: 703,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,788.12 : 1,296,908.82 = 510,068.20 : x
  2. Step 2: Convert to fraction form
    939,788.12/1,296,908.82 = 510,068.20/x
  3. Step 3: Cross multiply
    939,788.12x = 1,296,908.82 × 510,068.20
  4. Step 4: Simplify right side
    939,788.12x = 661,511,947,381.52
  5. Step 5: Solve for x
    x = 661,511,947,381.52/939,788.12
  6. Step 6: Final answer
    x = 703,894.78

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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.