Home / 712,217.20-1,067,807.40-291,276.40

Finding the Fourth Proportional to 712,217.20, 1,067,807.40 and 291,276.40

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Solution

The fourth proportional to 712,217.20, 1,067,807.40 and 291,276.40 is: 436,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,217.20 : 1,067,807.40 = 291,276.40 : x
  2. Step 2: Convert to fraction form
    712,217.20/1,067,807.40 = 291,276.40/x
  3. Step 3: Cross multiply
    712,217.20x = 1,067,807.40 × 291,276.40
  4. Step 4: Simplify right side
    712,217.20x = 311,027,095,365.36
  5. Step 5: Solve for x
    x = 311,027,095,365.36/712,217.20
  6. Step 6: Final answer
    x = 436,702.59

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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.