Home / 603,421.12-905,512.80-337,356.16

Finding the Fourth Proportional to 603,421.12, 905,512.80 and 337,356.16

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Solution

The fourth proportional to 603,421.12, 905,512.80 and 337,356.16 is: 506,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,421.12 : 905,512.80 = 337,356.16 : x
  2. Step 2: Convert to fraction form
    603,421.12/905,512.80 = 337,356.16/x
  3. Step 3: Cross multiply
    603,421.12x = 905,512.80 × 337,356.16
  4. Step 4: Simplify right side
    603,421.12x = 305,480,321,038.85
  5. Step 5: Solve for x
    x = 305,480,321,038.85/603,421.12
  6. Step 6: Final answer
    x = 506,247.31

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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.