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Finding the Fourth Proportional to 657,334.60, 985,710.30 and 302,457.40

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Solution

The fourth proportional to 657,334.60, 985,710.30 and 302,457.40 is: 453,551.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,334.60 : 985,710.30 = 302,457.40 : x
  2. Step 2: Convert to fraction form
    657,334.60/985,710.30 = 302,457.40/x
  3. Step 3: Cross multiply
    657,334.60x = 985,710.30 × 302,457.40
  4. Step 4: Simplify right side
    657,334.60x = 298,135,374,491.22
  5. Step 5: Solve for x
    x = 298,135,374,491.22/657,334.60
  6. Step 6: Final answer
    x = 453,551.93

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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.