Home / 907,849.43-1,252,832.42-499,950.23

Finding the Fourth Proportional to 907,849.43, 1,252,832.42 and 499,950.23

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Solution

The fourth proportional to 907,849.43, 1,252,832.42 and 499,950.23 is: 689,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,849.43 : 1,252,832.42 = 499,950.23 : x
  2. Step 2: Convert to fraction form
    907,849.43/1,252,832.42 = 499,950.23/x
  3. Step 3: Cross multiply
    907,849.43x = 1,252,832.42 × 499,950.23
  4. Step 4: Simplify right side
    907,849.43x = 626,353,860,912.41
  5. Step 5: Solve for x
    x = 626,353,860,912.41/907,849.43
  6. Step 6: Final answer
    x = 689,931.44

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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.