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Finding the Fourth Proportional to 576,012.40, 863,327.40 and 295,385.20

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Solution

The fourth proportional to 576,012.40, 863,327.40 and 295,385.20 is: 442,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,012.40 : 863,327.40 = 295,385.20 : x
  2. Step 2: Convert to fraction form
    576,012.40/863,327.40 = 295,385.20/x
  3. Step 3: Cross multiply
    576,012.40x = 863,327.40 × 295,385.20
  4. Step 4: Simplify right side
    576,012.40x = 255,014,136,714.48
  5. Step 5: Solve for x
    x = 255,014,136,714.48/576,012.40
  6. Step 6: Final answer
    x = 442,723.35

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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.