Home / 437,135.04-603,312.96-315,032.40

Finding the Fourth Proportional to 437,135.04, 603,312.96 and 315,032.40

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Solution

The fourth proportional to 437,135.04, 603,312.96 and 315,032.40 is: 434,792.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,135.04 : 603,312.96 = 315,032.40 : x
  2. Step 2: Convert to fraction form
    437,135.04/603,312.96 = 315,032.40/x
  3. Step 3: Cross multiply
    437,135.04x = 603,312.96 × 315,032.40
  4. Step 4: Simplify right side
    437,135.04x = 190,063,129,739.90
  5. Step 5: Solve for x
    x = 190,063,129,739.90/437,135.04
  6. Step 6: Final answer
    x = 434,792.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.