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Finding the Fourth Proportional to 562,284.60, 843,621.30 and 542,844.60

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Solution

The fourth proportional to 562,284.60, 843,621.30 and 542,844.60 is: 814,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,284.60 : 843,621.30 = 542,844.60 : x
  2. Step 2: Convert to fraction form
    562,284.60/843,621.30 = 542,844.60/x
  3. Step 3: Cross multiply
    562,284.60x = 843,621.30 × 542,844.60
  4. Step 4: Simplify right side
    562,284.60x = 457,955,267,149.98
  5. Step 5: Solve for x
    x = 457,955,267,149.98/562,284.60
  6. Step 6: Final answer
    x = 814,454.58

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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.