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Finding the Fourth Proportional to 601,982.91, 903,124.69 and 424,835.91

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Solution

The fourth proportional to 601,982.91, 903,124.69 and 424,835.91 is: 637,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,982.91 : 903,124.69 = 424,835.91 : x
  2. Step 2: Convert to fraction form
    601,982.91/903,124.69 = 424,835.91/x
  3. Step 3: Cross multiply
    601,982.91x = 903,124.69 × 424,835.91
  4. Step 4: Simplify right side
    601,982.91x = 383,679,799,519.62
  5. Step 5: Solve for x
    x = 383,679,799,519.62/601,982.91
  6. Step 6: Final answer
    x = 637,359.95

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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.