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Finding the Fourth Proportional to 657,750.60, 986,334.30 and 302,581.80

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Solution

The fourth proportional to 657,750.60, 986,334.30 and 302,581.80 is: 453,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,750.60 : 986,334.30 = 302,581.80 : x
  2. Step 2: Convert to fraction form
    657,750.60/986,334.30 = 302,581.80/x
  3. Step 3: Cross multiply
    657,750.60x = 986,334.30 × 302,581.80
  4. Step 4: Simplify right side
    657,750.60x = 298,446,807,895.74
  5. Step 5: Solve for x
    x = 298,446,807,895.74/657,750.60
  6. Step 6: Final answer
    x = 453,738.56

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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.