Home / 790,775.61-1,091,227.19-468,515.49

Finding the Fourth Proportional to 790,775.61, 1,091,227.19 and 468,515.49

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Solution

The fourth proportional to 790,775.61, 1,091,227.19 and 468,515.49 is: 646,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,775.61 : 1,091,227.19 = 468,515.49 : x
  2. Step 2: Convert to fraction form
    790,775.61/1,091,227.19 = 468,515.49/x
  3. Step 3: Cross multiply
    790,775.61x = 1,091,227.19 × 468,515.49
  4. Step 4: Simplify right side
    790,775.61x = 511,256,839,281.60
  5. Step 5: Solve for x
    x = 511,256,839,281.60/790,775.61
  6. Step 6: Final answer
    x = 646,525.81

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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.