Home / 800,934.64-1,200,959.10-608,877.78

Finding the Fourth Proportional to 800,934.64, 1,200,959.10 and 608,877.78

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Solution

The fourth proportional to 800,934.64, 1,200,959.10 and 608,877.78 is: 912,980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,934.64 : 1,200,959.10 = 608,877.78 : x
  2. Step 2: Convert to fraction form
    800,934.64/1,200,959.10 = 608,877.78/x
  3. Step 3: Cross multiply
    800,934.64x = 1,200,959.10 × 608,877.78
  4. Step 4: Simplify right side
    800,934.64x = 731,237,310,678.80
  5. Step 5: Solve for x
    x = 731,237,310,678.80/800,934.64
  6. Step 6: Final answer
    x = 912,980.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.