Home / 803,172.78-1,108,386.99-440,597.34

Finding the Fourth Proportional to 803,172.78, 1,108,386.99 and 440,597.34

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Solution

The fourth proportional to 803,172.78, 1,108,386.99 and 440,597.34 is: 608,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,172.78 : 1,108,386.99 = 440,597.34 : x
  2. Step 2: Convert to fraction form
    803,172.78/1,108,386.99 = 440,597.34/x
  3. Step 3: Cross multiply
    803,172.78x = 1,108,386.99 × 440,597.34
  4. Step 4: Simplify right side
    803,172.78x = 488,352,359,484.61
  5. Step 5: Solve for x
    x = 488,352,359,484.61/803,172.78
  6. Step 6: Final answer
    x = 608,029.02

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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.