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Finding the Fourth Proportional to 803,463.09, 1,108,776.03 and 440,893.02

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Solution

The fourth proportional to 803,463.09, 1,108,776.03 and 440,893.02 is: 608,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,463.09 : 1,108,776.03 = 440,893.02 : x
  2. Step 2: Convert to fraction form
    803,463.09/1,108,776.03 = 440,893.02/x
  3. Step 3: Cross multiply
    803,463.09x = 1,108,776.03 × 440,893.02
  4. Step 4: Simplify right side
    803,463.09x = 488,851,607,393.91
  5. Step 5: Solve for x
    x = 488,851,607,393.91/803,463.09
  6. Step 6: Final answer
    x = 608,430.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.