Home / 788,724.27-1,087,164.36-616,342.68

Finding the Fourth Proportional to 788,724.27, 1,087,164.36 and 616,342.68

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Solution

The fourth proportional to 788,724.27, 1,087,164.36 and 616,342.68 is: 849,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,724.27 : 1,087,164.36 = 616,342.68 : x
  2. Step 2: Convert to fraction form
    788,724.27/1,087,164.36 = 616,342.68/x
  3. Step 3: Cross multiply
    788,724.27x = 1,087,164.36 × 616,342.68
  4. Step 4: Simplify right side
    788,724.27x = 670,065,795,242.89
  5. Step 5: Solve for x
    x = 670,065,795,242.89/788,724.27
  6. Step 6: Final answer
    x = 849,556.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.