Home / 679,932.10-1,019,898.15-606,448.90

Finding the Fourth Proportional to 679,932.10, 1,019,898.15 and 606,448.90

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Solution

The fourth proportional to 679,932.10, 1,019,898.15 and 606,448.90 is: 909,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,932.10 : 1,019,898.15 = 606,448.90 : x
  2. Step 2: Convert to fraction form
    679,932.10/1,019,898.15 = 606,448.90/x
  3. Step 3: Cross multiply
    679,932.10x = 1,019,898.15 × 606,448.90
  4. Step 4: Simplify right side
    679,932.10x = 618,516,111,179.54
  5. Step 5: Solve for x
    x = 618,516,111,179.54/679,932.10
  6. Step 6: Final answer
    x = 909,673.35

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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.