Home / 817,589.70-1,226,384.55-502,661.70

Finding the Fourth Proportional to 817,589.70, 1,226,384.55 and 502,661.70

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Solution

The fourth proportional to 817,589.70, 1,226,384.55 and 502,661.70 is: 753,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,589.70 : 1,226,384.55 = 502,661.70 : x
  2. Step 2: Convert to fraction form
    817,589.70/1,226,384.55 = 502,661.70/x
  3. Step 3: Cross multiply
    817,589.70x = 1,226,384.55 × 502,661.70
  4. Step 4: Simplify right side
    817,589.70x = 616,456,542,756.74
  5. Step 5: Solve for x
    x = 616,456,542,756.74/817,589.70
  6. Step 6: Final answer
    x = 753,992.55

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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.