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Finding the Fourth Proportional to 601,946.93, 830,664.72 and 330,008.85

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Solution

The fourth proportional to 601,946.93, 830,664.72 and 330,008.85 is: 455,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,946.93 : 830,664.72 = 330,008.85 : x
  2. Step 2: Convert to fraction form
    601,946.93/830,664.72 = 330,008.85/x
  3. Step 3: Cross multiply
    601,946.93x = 830,664.72 × 330,008.85
  4. Step 4: Simplify right side
    601,946.93x = 274,126,708,982.77
  5. Step 5: Solve for x
    x = 274,126,708,982.77/601,946.93
  6. Step 6: Final answer
    x = 455,400.13

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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.