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Finding the Fourth Proportional to 537,065.07, 740,940.03 and 307,499.67

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Solution

The fourth proportional to 537,065.07, 740,940.03 and 307,499.67 is: 424,229.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,065.07 : 740,940.03 = 307,499.67 : x
  2. Step 2: Convert to fraction form
    537,065.07/740,940.03 = 307,499.67/x
  3. Step 3: Cross multiply
    537,065.07x = 740,940.03 × 307,499.67
  4. Step 4: Simplify right side
    537,065.07x = 227,838,813,727.28
  5. Step 5: Solve for x
    x = 227,838,813,727.28/537,065.07
  6. Step 6: Final answer
    x = 424,229.44

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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.