Home / 537,771.24-742,042.08-311,373

Finding the Fourth Proportional to 537,771.24, 742,042.08 and 311,373

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Solution

The fourth proportional to 537,771.24, 742,042.08 and 311,373 is: 429,647.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,771.24 : 742,042.08 = 311,373 : x
  2. Step 2: Convert to fraction form
    537,771.24/742,042.08 = 311,373/x
  3. Step 3: Cross multiply
    537,771.24x = 742,042.08 × 311,373
  4. Step 4: Simplify right side
    537,771.24x = 231,051,868,575.84
  5. Step 5: Solve for x
    x = 231,051,868,575.84/537,771.24
  6. Step 6: Final answer
    x = 429,647.13

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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.