Home / 758,872.80-1,138,673.70-506,274.30

Finding the Fourth Proportional to 758,872.80, 1,138,673.70 and 506,274.30

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Solution

The fourth proportional to 758,872.80, 1,138,673.70 and 506,274.30 is: 759,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,872.80 : 1,138,673.70 = 506,274.30 : x
  2. Step 2: Convert to fraction form
    758,872.80/1,138,673.70 = 506,274.30/x
  3. Step 3: Cross multiply
    758,872.80x = 1,138,673.70 × 506,274.30
  4. Step 4: Simplify right side
    758,872.80x = 576,481,230,395.91
  5. Step 5: Solve for x
    x = 576,481,230,395.91/758,872.80
  6. Step 6: Final answer
    x = 759,654.62

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1.5x scale

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.