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Finding the Fourth Proportional to 602,124.08, 830,942.69 and 330,175.80

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Solution

The fourth proportional to 602,124.08, 830,942.69 and 330,175.80 is: 455,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,124.08 : 830,942.69 = 330,175.80 : x
  2. Step 2: Convert to fraction form
    602,124.08/830,942.69 = 330,175.80/x
  3. Step 3: Cross multiply
    602,124.08x = 830,942.69 × 330,175.80
  4. Step 4: Simplify right side
    602,124.08x = 274,357,165,774.02
  5. Step 5: Solve for x
    x = 274,357,165,774.02/602,124.08
  6. Step 6: Final answer
    x = 455,648.89

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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.