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Finding the Fourth Proportional to 657,714.90, 986,244.30 and 302,327.40

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Solution

The fourth proportional to 657,714.90, 986,244.30 and 302,327.40 is: 453,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,714.90 : 986,244.30 = 302,327.40 : x
  2. Step 2: Convert to fraction form
    657,714.90/986,244.30 = 302,327.40/x
  3. Step 3: Cross multiply
    657,714.90x = 986,244.30 × 302,327.40
  4. Step 4: Simplify right side
    657,714.90x = 298,168,674,983.82
  5. Step 5: Solve for x
    x = 298,168,674,983.82/657,714.90
  6. Step 6: Final answer
    x = 453,340.31

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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.