Home / 603,135.60-904,703.40-288,207.60

Finding the Fourth Proportional to 603,135.60, 904,703.40 and 288,207.60

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Solution

The fourth proportional to 603,135.60, 904,703.40 and 288,207.60 is: 432,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,135.60 : 904,703.40 = 288,207.60 : x
  2. Step 2: Convert to fraction form
    603,135.60/904,703.40 = 288,207.60/x
  3. Step 3: Cross multiply
    603,135.60x = 904,703.40 × 288,207.60
  4. Step 4: Simplify right side
    603,135.60x = 260,742,395,625.84
  5. Step 5: Solve for x
    x = 260,742,395,625.84/603,135.60
  6. Step 6: Final answer
    x = 432,311.40

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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.