Home / 803,436.23-1,108,704.83-440,851.07

Finding the Fourth Proportional to 803,436.23, 1,108,704.83 and 440,851.07

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Solution

The fourth proportional to 803,436.23, 1,108,704.83 and 440,851.07 is: 608,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,436.23 : 1,108,704.83 = 440,851.07 : x
  2. Step 2: Convert to fraction form
    803,436.23/1,108,704.83 = 440,851.07/x
  3. Step 3: Cross multiply
    803,436.23x = 1,108,704.83 × 440,851.07
  4. Step 4: Simplify right side
    803,436.23x = 488,773,702,871.89
  5. Step 5: Solve for x
    x = 488,773,702,871.89/803,436.23
  6. Step 6: Final answer
    x = 608,354.08

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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.