Home / 383,925.12-575,439.32-288,849.90

Finding the Fourth Proportional to 383,925.12, 575,439.32 and 288,849.90

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Solution

The fourth proportional to 383,925.12, 575,439.32 and 288,849.90 is: 432,937.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,925.12 : 575,439.32 = 288,849.90 : x
  2. Step 2: Convert to fraction form
    383,925.12/575,439.32 = 288,849.90/x
  3. Step 3: Cross multiply
    383,925.12x = 575,439.32 × 288,849.90
  4. Step 4: Simplify right side
    383,925.12x = 166,215,590,038.07
  5. Step 5: Solve for x
    x = 166,215,590,038.07/383,925.12
  6. Step 6: Final answer
    x = 432,937.52

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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.