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Finding the Fourth Proportional to 602,480.08, 830,740.80 and 384,396.96

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Solution

The fourth proportional to 602,480.08, 830,740.80 and 384,396.96 is: 530,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,480.08 : 830,740.80 = 384,396.96 : x
  2. Step 2: Convert to fraction form
    602,480.08/830,740.80 = 384,396.96/x
  3. Step 3: Cross multiply
    602,480.08x = 830,740.80 × 384,396.96
  4. Step 4: Simplify right side
    602,480.08x = 319,334,238,067.97
  5. Step 5: Solve for x
    x = 319,334,238,067.97/602,480.08
  6. Step 6: Final answer
    x = 530,032.86

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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.