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Finding the Fourth Proportional to 601,910.72, 830,063.76 and 360,154.88

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Solution

The fourth proportional to 601,910.72, 830,063.76 and 360,154.88 is: 496,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,910.72 : 830,063.76 = 360,154.88 : x
  2. Step 2: Convert to fraction form
    601,910.72/830,063.76 = 360,154.88/x
  3. Step 3: Cross multiply
    601,910.72x = 830,063.76 × 360,154.88
  4. Step 4: Simplify right side
    601,910.72x = 298,951,513,875.15
  5. Step 5: Solve for x
    x = 298,951,513,875.15/601,910.72
  6. Step 6: Final answer
    x = 496,670.86

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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.