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Finding the Fourth Proportional to 603,103.60, 904,655.40 and 288,175.60

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Solution

The fourth proportional to 603,103.60, 904,655.40 and 288,175.60 is: 432,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,103.60 : 904,655.40 = 288,175.60 : x
  2. Step 2: Convert to fraction form
    603,103.60/904,655.40 = 288,175.60/x
  3. Step 3: Cross multiply
    603,103.60x = 904,655.40 × 288,175.60
  4. Step 4: Simplify right side
    603,103.60x = 260,699,612,688.24
  5. Step 5: Solve for x
    x = 260,699,612,688.24/603,103.60
  6. Step 6: Final answer
    x = 432,263.40

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Similar ratio
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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.