Home / 603,025.20-904,537.80-288,097.20

Finding the Fourth Proportional to 603,025.20, 904,537.80 and 288,097.20

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Solution

The fourth proportional to 603,025.20, 904,537.80 and 288,097.20 is: 432,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,025.20 : 904,537.80 = 288,097.20 : x
  2. Step 2: Convert to fraction form
    603,025.20/904,537.80 = 288,097.20/x
  3. Step 3: Cross multiply
    603,025.20x = 904,537.80 × 288,097.20
  4. Step 4: Simplify right side
    603,025.20x = 260,594,807,474.16
  5. Step 5: Solve for x
    x = 260,594,807,474.16/603,025.20
  6. Step 6: Final answer
    x = 432,145.80

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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.