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Finding the Fourth Proportional to 601,988.24, 830,739.38 and 330,051.65

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Solution

The fourth proportional to 601,988.24, 830,739.38 and 330,051.65 is: 455,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,988.24 : 830,739.38 = 330,051.65 : x
  2. Step 2: Convert to fraction form
    601,988.24/830,739.38 = 330,051.65/x
  3. Step 3: Cross multiply
    601,988.24x = 830,739.38 × 330,051.65
  4. Step 4: Simplify right side
    601,988.24x = 274,186,903,814.47
  5. Step 5: Solve for x
    x = 274,186,903,814.47/601,988.24
  6. Step 6: Final answer
    x = 455,468.87

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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.