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Finding the Fourth Proportional to 562,405.40, 843,608.10 and 562,405.40

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Solution

The fourth proportional to 562,405.40, 843,608.10 and 562,405.40 is: 843,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,405.40 : 843,608.10 = 562,405.40 : x
  2. Step 2: Convert to fraction form
    562,405.40/843,608.10 = 562,405.40/x
  3. Step 3: Cross multiply
    562,405.40x = 843,608.10 × 562,405.40
  4. Step 4: Simplify right side
    562,405.40x = 474,449,750,923.74
  5. Step 5: Solve for x
    x = 474,449,750,923.74/562,405.40
  6. Step 6: Final answer
    x = 843,608.10

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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.