Home / 858,708.90-1,294,235.63-740,196.27

Finding the Fourth Proportional to 858,708.90, 1,294,235.63 and 740,196.27

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Solution

The fourth proportional to 858,708.90, 1,294,235.63 and 740,196.27 is: 1,115,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,708.90 : 1,294,235.63 = 740,196.27 : x
  2. Step 2: Convert to fraction form
    858,708.90/1,294,235.63 = 740,196.27/x
  3. Step 3: Cross multiply
    858,708.90x = 1,294,235.63 × 740,196.27
  4. Step 4: Simplify right side
    858,708.90x = 957,988,382,126.12
  5. Step 5: Solve for x
    x = 957,988,382,126.12/858,708.90
  6. Step 6: Final answer
    x = 1,115,614.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.