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Finding the Fourth Proportional to 601,810.96, 830,468.28 and 347,146.96

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Solution

The fourth proportional to 601,810.96, 830,468.28 and 347,146.96 is: 479,045.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,810.96 : 830,468.28 = 347,146.96 : x
  2. Step 2: Convert to fraction form
    601,810.96/830,468.28 = 347,146.96/x
  3. Step 3: Cross multiply
    601,810.96x = 830,468.28 × 347,146.96
  4. Step 4: Simplify right side
    601,810.96x = 288,294,538,778.43
  5. Step 5: Solve for x
    x = 288,294,538,778.43/601,810.96
  6. Step 6: Final answer
    x = 479,045.01

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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.