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Finding the Fourth Proportional to 602,040.80, 903,110.28 and 302,367.20

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Solution

The fourth proportional to 602,040.80, 903,110.28 and 302,367.20 is: 453,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,040.80 : 903,110.28 = 302,367.20 : x
  2. Step 2: Convert to fraction form
    602,040.80/903,110.28 = 302,367.20/x
  3. Step 3: Cross multiply
    602,040.80x = 903,110.28 × 302,367.20
  4. Step 4: Simplify right side
    602,040.80x = 273,070,926,654.82
  5. Step 5: Solve for x
    x = 273,070,926,654.82/602,040.80
  6. Step 6: Final answer
    x = 453,575.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.