Home / 679,040.20-1,017,005.10-346,227.40

Finding the Fourth Proportional to 679,040.20, 1,017,005.10 and 346,227.40

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Solution

The fourth proportional to 679,040.20, 1,017,005.10 and 346,227.40 is: 518,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,040.20 : 1,017,005.10 = 346,227.40 : x
  2. Step 2: Convert to fraction form
    679,040.20/1,017,005.10 = 346,227.40/x
  3. Step 3: Cross multiply
    679,040.20x = 1,017,005.10 × 346,227.40
  4. Step 4: Simplify right side
    679,040.20x = 352,115,031,559.74
  5. Step 5: Solve for x
    x = 352,115,031,559.74/679,040.20
  6. Step 6: Final answer
    x = 518,548.14

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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.