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Finding the Fourth Proportional to 560,410.32, 772,462.78 and 379,056.07

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Solution

The fourth proportional to 560,410.32, 772,462.78 and 379,056.07 is: 522,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,410.32 : 772,462.78 = 379,056.07 : x
  2. Step 2: Convert to fraction form
    560,410.32/772,462.78 = 379,056.07/x
  3. Step 3: Cross multiply
    560,410.32x = 772,462.78 × 379,056.07
  4. Step 4: Simplify right side
    560,410.32x = 292,806,705,608.08
  5. Step 5: Solve for x
    x = 292,806,705,608.08/560,410.32
  6. Step 6: Final answer
    x = 522,486.28

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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.