Home / 470,191.42-649,307.01-327,342.07

Finding the Fourth Proportional to 470,191.42, 649,307.01 and 327,342.07

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Solution

The fourth proportional to 470,191.42, 649,307.01 and 327,342.07 is: 452,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,191.42 : 649,307.01 = 327,342.07 : x
  2. Step 2: Convert to fraction form
    470,191.42/649,307.01 = 327,342.07/x
  3. Step 3: Cross multiply
    470,191.42x = 649,307.01 × 327,342.07
  4. Step 4: Simplify right side
    470,191.42x = 212,545,500,718.91
  5. Step 5: Solve for x
    x = 212,545,500,718.91/470,191.42
  6. Step 6: Final answer
    x = 452,040.36

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1.5x scale

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.