Home / 507,743.40-761,906.70-192,426.60

Finding the Fourth Proportional to 507,743.40, 761,906.70 and 192,426.60

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Solution

The fourth proportional to 507,743.40, 761,906.70 and 192,426.60 is: 288,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,743.40 : 761,906.70 = 192,426.60 : x
  2. Step 2: Convert to fraction form
    507,743.40/761,906.70 = 192,426.60/x
  3. Step 3: Cross multiply
    507,743.40x = 761,906.70 × 192,426.60
  4. Step 4: Simplify right side
    507,743.40x = 146,611,115,798.22
  5. Step 5: Solve for x
    x = 146,611,115,798.22/507,743.40
  6. Step 6: Final answer
    x = 288,750.41

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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.