Home / 690,055.80-1,033,115.40-611,323.80

Finding the Fourth Proportional to 690,055.80, 1,033,115.40 and 611,323.80

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Solution

The fourth proportional to 690,055.80, 1,033,115.40 and 611,323.80 is: 915,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,055.80 : 1,033,115.40 = 611,323.80 : x
  2. Step 2: Convert to fraction form
    690,055.80/1,033,115.40 = 611,323.80/x
  3. Step 3: Cross multiply
    690,055.80x = 1,033,115.40 × 611,323.80
  4. Step 4: Simplify right side
    690,055.80x = 631,568,032,166.52
  5. Step 5: Solve for x
    x = 631,568,032,166.52/690,055.80
  6. Step 6: Final answer
    x = 915,241.97

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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.