Home / 537,699.68-741,938.76-308,214.80

Finding the Fourth Proportional to 537,699.68, 741,938.76 and 308,214.80

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Solution

The fourth proportional to 537,699.68, 741,938.76 and 308,214.80 is: 425,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,699.68 : 741,938.76 = 308,214.80 : x
  2. Step 2: Convert to fraction form
    537,699.68/741,938.76 = 308,214.80/x
  3. Step 3: Cross multiply
    537,699.68x = 741,938.76 × 308,214.80
  4. Step 4: Simplify right side
    537,699.68x = 228,676,506,525.65
  5. Step 5: Solve for x
    x = 228,676,506,525.65/537,699.68
  6. Step 6: Final answer
    x = 425,286.67

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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.