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Finding the Fourth Proportional to 576,210.87, 795,246.24 and 321,614.91

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Solution

The fourth proportional to 576,210.87, 795,246.24 and 321,614.91 is: 443,870.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,210.87 : 795,246.24 = 321,614.91 : x
  2. Step 2: Convert to fraction form
    576,210.87/795,246.24 = 321,614.91/x
  3. Step 3: Cross multiply
    576,210.87x = 795,246.24 × 321,614.91
  4. Step 4: Simplify right side
    576,210.87x = 255,763,047,905.44
  5. Step 5: Solve for x
    x = 255,763,047,905.44/576,210.87
  6. Step 6: Final answer
    x = 443,870.57

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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.