Home / 803,467.97-1,108,782.73-440,897.89

Finding the Fourth Proportional to 803,467.97, 1,108,782.73 and 440,897.89

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Solution

The fourth proportional to 803,467.97, 1,108,782.73 and 440,897.89 is: 608,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,467.97 : 1,108,782.73 = 440,897.89 : x
  2. Step 2: Convert to fraction form
    803,467.97/1,108,782.73 = 440,897.89/x
  3. Step 3: Cross multiply
    803,467.97x = 1,108,782.73 × 440,897.89
  4. Step 4: Simplify right side
    803,467.97x = 488,859,966,125.44
  5. Step 5: Solve for x
    x = 488,859,966,125.44/803,467.97
  6. Step 6: Final answer
    x = 608,437.40

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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.