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Finding the Fourth Proportional to 576,535.05, 795,601.85 and 321,880.77

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Solution

The fourth proportional to 576,535.05, 795,601.85 and 321,880.77 is: 444,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,535.05 : 795,601.85 = 321,880.77 : x
  2. Step 2: Convert to fraction form
    576,535.05/795,601.85 = 321,880.77/x
  3. Step 3: Cross multiply
    576,535.05x = 795,601.85 × 321,880.77
  4. Step 4: Simplify right side
    576,535.05x = 256,088,934,482.02
  5. Step 5: Solve for x
    x = 256,088,934,482.02/576,535.05
  6. Step 6: Final answer
    x = 444,186.24

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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.