Home / 578,965.80-869,226.30-369,532.20

Finding the Fourth Proportional to 578,965.80, 869,226.30 and 369,532.20

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Solution

The fourth proportional to 578,965.80, 869,226.30 and 369,532.20 is: 554,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,965.80 : 869,226.30 = 369,532.20 : x
  2. Step 2: Convert to fraction form
    578,965.80/869,226.30 = 369,532.20/x
  3. Step 3: Cross multiply
    578,965.80x = 869,226.30 × 369,532.20
  4. Step 4: Simplify right side
    578,965.80x = 321,207,106,936.86
  5. Step 5: Solve for x
    x = 321,207,106,936.86/578,965.80
  6. Step 6: Final answer
    x = 554,794.61

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Double scale
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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.