Home / 704,990.20-1,055,930.10-424,017.40

Finding the Fourth Proportional to 704,990.20, 1,055,930.10 and 424,017.40

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Solution

The fourth proportional to 704,990.20, 1,055,930.10 and 424,017.40 is: 635,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,990.20 : 1,055,930.10 = 424,017.40 : x
  2. Step 2: Convert to fraction form
    704,990.20/1,055,930.10 = 424,017.40/x
  3. Step 3: Cross multiply
    704,990.20x = 1,055,930.10 × 424,017.40
  4. Step 4: Simplify right side
    704,990.20x = 447,732,735,583.74
  5. Step 5: Solve for x
    x = 447,732,735,583.74/704,990.20
  6. Step 6: Final answer
    x = 635,090.72

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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.