Home / 657,748.60-986,331.30-302,579.80

Finding the Fourth Proportional to 657,748.60, 986,331.30 and 302,579.80

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Solution

The fourth proportional to 657,748.60, 986,331.30 and 302,579.80 is: 453,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,748.60 : 986,331.30 = 302,579.80 : x
  2. Step 2: Convert to fraction form
    657,748.60/986,331.30 = 302,579.80/x
  3. Step 3: Cross multiply
    657,748.60x = 986,331.30 × 302,579.80
  4. Step 4: Simplify right side
    657,748.60x = 298,443,927,487.74
  5. Step 5: Solve for x
    x = 298,443,927,487.74/657,748.60
  6. Step 6: Final answer
    x = 453,735.56

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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.