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Finding the Fourth Proportional to 601,608.12, 830,219.34 and 359,900.76

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Solution

The fourth proportional to 601,608.12, 830,219.34 and 359,900.76 is: 496,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,608.12 : 830,219.34 = 359,900.76 : x
  2. Step 2: Convert to fraction form
    601,608.12/830,219.34 = 359,900.76/x
  3. Step 3: Cross multiply
    601,608.12x = 830,219.34 × 359,900.76
  4. Step 4: Simplify right side
    601,608.12x = 298,796,571,432.70
  5. Step 5: Solve for x
    x = 298,796,571,432.70/601,608.12
  6. Step 6: Final answer
    x = 496,663.13

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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.