Home / 833,614.50-1,248,423.75-427,738.62

Finding the Fourth Proportional to 833,614.50, 1,248,423.75 and 427,738.62

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Solution

The fourth proportional to 833,614.50, 1,248,423.75 and 427,738.62 is: 640,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,614.50 : 1,248,423.75 = 427,738.62 : x
  2. Step 2: Convert to fraction form
    833,614.50/1,248,423.75 = 427,738.62/x
  3. Step 3: Cross multiply
    833,614.50x = 1,248,423.75 × 427,738.62
  4. Step 4: Simplify right side
    833,614.50x = 533,999,052,000.23
  5. Step 5: Solve for x
    x = 533,999,052,000.23/833,614.50
  6. Step 6: Final answer
    x = 640,582.73

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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.