Home / 494,328.20-740,909.10-369,523.40

Finding the Fourth Proportional to 494,328.20, 740,909.10 and 369,523.40

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Solution

The fourth proportional to 494,328.20, 740,909.10 and 369,523.40 is: 553,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,328.20 : 740,909.10 = 369,523.40 : x
  2. Step 2: Convert to fraction form
    494,328.20/740,909.10 = 369,523.40/x
  3. Step 3: Cross multiply
    494,328.20x = 740,909.10 × 369,523.40
  4. Step 4: Simplify right side
    494,328.20x = 273,783,249,722.94
  5. Step 5: Solve for x
    x = 273,783,249,722.94/494,328.20
  6. Step 6: Final answer
    x = 553,849.14

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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.