Home / 686,846.20-1,030,269.30-651,854.20

Finding the Fourth Proportional to 686,846.20, 1,030,269.30 and 651,854.20

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Solution

The fourth proportional to 686,846.20, 1,030,269.30 and 651,854.20 is: 977,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,846.20 : 1,030,269.30 = 651,854.20 : x
  2. Step 2: Convert to fraction form
    686,846.20/1,030,269.30 = 651,854.20/x
  3. Step 3: Cross multiply
    686,846.20x = 1,030,269.30 × 651,854.20
  4. Step 4: Simplify right side
    686,846.20x = 671,585,370,336.06
  5. Step 5: Solve for x
    x = 671,585,370,336.06/686,846.20
  6. Step 6: Final answer
    x = 977,781.30

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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.