Home / 649,791.57-974,752.45-223,271.20

Finding the Fourth Proportional to 649,791.57, 974,752.45 and 223,271.20

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Solution

The fourth proportional to 649,791.57, 974,752.45 and 223,271.20 is: 334,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,791.57 : 974,752.45 = 223,271.20 : x
  2. Step 2: Convert to fraction form
    649,791.57/974,752.45 = 223,271.20/x
  3. Step 3: Cross multiply
    649,791.57x = 974,752.45 × 223,271.20
  4. Step 4: Simplify right side
    649,791.57x = 217,634,149,214.44
  5. Step 5: Solve for x
    x = 217,634,149,214.44/649,791.57
  6. Step 6: Final answer
    x = 334,929.17

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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.