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Finding the Fourth Proportional to 558,060.93, 770,150.40 and 316,348.20

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Solution

The fourth proportional to 558,060.93, 770,150.40 and 316,348.20 is: 436,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,060.93 : 770,150.40 = 316,348.20 : x
  2. Step 2: Convert to fraction form
    558,060.93/770,150.40 = 316,348.20/x
  3. Step 3: Cross multiply
    558,060.93x = 770,150.40 × 316,348.20
  4. Step 4: Simplify right side
    558,060.93x = 243,635,692,769.28
  5. Step 5: Solve for x
    x = 243,635,692,769.28/558,060.93
  6. Step 6: Final answer
    x = 436,575.43

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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.