Home / 679,934.10-1,019,901.15-606,450.90

Finding the Fourth Proportional to 679,934.10, 1,019,901.15 and 606,450.90

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Solution

The fourth proportional to 679,934.10, 1,019,901.15 and 606,450.90 is: 909,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,934.10 : 1,019,901.15 = 606,450.90 : x
  2. Step 2: Convert to fraction form
    679,934.10/1,019,901.15 = 606,450.90/x
  3. Step 3: Cross multiply
    679,934.10x = 1,019,901.15 × 606,450.90
  4. Step 4: Simplify right side
    679,934.10x = 618,519,970,328.54
  5. Step 5: Solve for x
    x = 618,519,970,328.54/679,934.10
  6. Step 6: Final answer
    x = 909,676.35

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Similar ratio
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1.5x scale

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.