Home / 829,401.50-1,244,401.76-289,737.52

Finding the Fourth Proportional to 829,401.50, 1,244,401.76 and 289,737.52

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Solution

The fourth proportional to 829,401.50, 1,244,401.76 and 289,737.52 is: 434,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,401.50 : 1,244,401.76 = 289,737.52 : x
  2. Step 2: Convert to fraction form
    829,401.50/1,244,401.76 = 289,737.52/x
  3. Step 3: Cross multiply
    829,401.50x = 1,244,401.76 × 289,737.52
  4. Step 4: Simplify right side
    829,401.50x = 360,549,877,439.38
  5. Step 5: Solve for x
    x = 360,549,877,439.38/829,401.50
  6. Step 6: Final answer
    x = 434,710.90

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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.