Home / 699,916.80-1,048,708.80-657,926.40

Finding the Fourth Proportional to 699,916.80, 1,048,708.80 and 657,926.40

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Solution

The fourth proportional to 699,916.80, 1,048,708.80 and 657,926.40 is: 985,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,916.80 : 1,048,708.80 = 657,926.40 : x
  2. Step 2: Convert to fraction form
    699,916.80/1,048,708.80 = 657,926.40/x
  3. Step 3: Cross multiply
    699,916.80x = 1,048,708.80 × 657,926.40
  4. Step 4: Simplify right side
    699,916.80x = 689,973,205,432.32
  5. Step 5: Solve for x
    x = 689,973,205,432.32/699,916.80
  6. Step 6: Final answer
    x = 985,793.18

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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.