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Finding the Fourth Proportional to 576,292.04, 795,295.76 and 318,168.20

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Solution

The fourth proportional to 576,292.04, 795,295.76 and 318,168.20 is: 439,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,292.04 : 795,295.76 = 318,168.20 : x
  2. Step 2: Convert to fraction form
    576,292.04/795,295.76 = 318,168.20/x
  3. Step 3: Cross multiply
    576,292.04x = 795,295.76 × 318,168.20
  4. Step 4: Simplify right side
    576,292.04x = 253,037,820,426.83
  5. Step 5: Solve for x
    x = 253,037,820,426.83/576,292.04
  6. Step 6: Final answer
    x = 439,079.15

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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.