Home / 738,880.96-1,107,924-383,012.80

Finding the Fourth Proportional to 738,880.96, 1,107,924 and 383,012.80

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Solution

The fourth proportional to 738,880.96, 1,107,924 and 383,012.80 is: 574,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,880.96 : 1,107,924 = 383,012.80 : x
  2. Step 2: Convert to fraction form
    738,880.96/1,107,924 = 383,012.80/x
  3. Step 3: Cross multiply
    738,880.96x = 1,107,924 × 383,012.80
  4. Step 4: Simplify right side
    738,880.96x = 424,349,073,427.20
  5. Step 5: Solve for x
    x = 424,349,073,427.20/738,880.96
  6. Step 6: Final answer
    x = 574,313.18

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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.