Home / 691,727.96-1,030,715.42-616,268.22

Finding the Fourth Proportional to 691,727.96, 1,030,715.42 and 616,268.22

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Solution

The fourth proportional to 691,727.96, 1,030,715.42 and 616,268.22 is: 918,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,727.96 : 1,030,715.42 = 616,268.22 : x
  2. Step 2: Convert to fraction form
    691,727.96/1,030,715.42 = 616,268.22/x
  3. Step 3: Cross multiply
    691,727.96x = 1,030,715.42 × 616,268.22
  4. Step 4: Simplify right side
    691,727.96x = 635,197,157,209.95
  5. Step 5: Solve for x
    x = 635,197,157,209.95/691,727.96
  6. Step 6: Final answer
    x = 918,275.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.