Home / 497,778.40-746,664.08-142,792.80

Finding the Fourth Proportional to 497,778.40, 746,664.08 and 142,792.80

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Solution

The fourth proportional to 497,778.40, 746,664.08 and 142,792.80 is: 214,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,778.40 : 746,664.08 = 142,792.80 : x
  2. Step 2: Convert to fraction form
    497,778.40/746,664.08 = 142,792.80/x
  3. Step 3: Cross multiply
    497,778.40x = 746,664.08 × 142,792.80
  4. Step 4: Simplify right side
    497,778.40x = 106,618,254,642.62
  5. Step 5: Solve for x
    x = 106,618,254,642.62/497,778.40
  6. Step 6: Final answer
    x = 214,188.19

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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.