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Finding the Fourth Proportional to 662,601.40, 994,031.70 and 283,521.40

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Solution

The fourth proportional to 662,601.40, 994,031.70 and 283,521.40 is: 425,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,601.40 : 994,031.70 = 283,521.40 : x
  2. Step 2: Convert to fraction form
    662,601.40/994,031.70 = 283,521.40/x
  3. Step 3: Cross multiply
    662,601.40x = 994,031.70 × 283,521.40
  4. Step 4: Simplify right side
    662,601.40x = 281,829,259,228.38
  5. Step 5: Solve for x
    x = 281,829,259,228.38/662,601.40
  6. Step 6: Final answer
    x = 425,337.55

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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.