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Finding the Fourth Proportional to 603,591.90, 904,005.45 and 307,758.30

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Solution

The fourth proportional to 603,591.90, 904,005.45 and 307,758.30 is: 460,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,591.90 : 904,005.45 = 307,758.30 : x
  2. Step 2: Convert to fraction form
    603,591.90/904,005.45 = 307,758.30/x
  3. Step 3: Cross multiply
    603,591.90x = 904,005.45 × 307,758.30
  4. Step 4: Simplify right side
    603,591.90x = 278,215,180,482.74
  5. Step 5: Solve for x
    x = 278,215,180,482.74/603,591.90
  6. Step 6: Final answer
    x = 460,932.59

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1.5x scale

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.