Home / 497,794.40-746,688.08-142,808.80

Finding the Fourth Proportional to 497,794.40, 746,688.08 and 142,808.80

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Solution

The fourth proportional to 497,794.40, 746,688.08 and 142,808.80 is: 214,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,794.40 : 746,688.08 = 142,808.80 : x
  2. Step 2: Convert to fraction form
    497,794.40/746,688.08 = 142,808.80/x
  3. Step 3: Cross multiply
    497,794.40x = 746,688.08 × 142,808.80
  4. Step 4: Simplify right side
    497,794.40x = 106,633,628,679.10
  5. Step 5: Solve for x
    x = 106,633,628,679.10/497,794.40
  6. Step 6: Final answer
    x = 214,212.19

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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.