Home / 657,962.72-986,796.44-302,635.36

Finding the Fourth Proportional to 657,962.72, 986,796.44 and 302,635.36

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Solution

The fourth proportional to 657,962.72, 986,796.44 and 302,635.36 is: 453,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,962.72 : 986,796.44 = 302,635.36 : x
  2. Step 2: Convert to fraction form
    657,962.72/986,796.44 = 302,635.36/x
  3. Step 3: Cross multiply
    657,962.72x = 986,796.44 × 302,635.36
  4. Step 4: Simplify right side
    657,962.72x = 298,639,495,866.12
  5. Step 5: Solve for x
    x = 298,639,495,866.12/657,962.72
  6. Step 6: Final answer
    x = 453,885.13

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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.