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Finding the Fourth Proportional to 601,975.42, 830,716.61 and 330,045.66

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Solution

The fourth proportional to 601,975.42, 830,716.61 and 330,045.66 is: 455,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,975.42 : 830,716.61 = 330,045.66 : x
  2. Step 2: Convert to fraction form
    601,975.42/830,716.61 = 330,045.66/x
  3. Step 3: Cross multiply
    601,975.42x = 830,716.61 × 330,045.66
  4. Step 4: Simplify right side
    601,975.42x = 274,174,414,363.08
  5. Step 5: Solve for x
    x = 274,174,414,363.08/601,975.42
  6. Step 6: Final answer
    x = 455,457.82

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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.