Home / 790,076.39-1,090,302.41-427,500.95

Finding the Fourth Proportional to 790,076.39, 1,090,302.41 and 427,500.95

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Solution

The fourth proportional to 790,076.39, 1,090,302.41 and 427,500.95 is: 589,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,076.39 : 1,090,302.41 = 427,500.95 : x
  2. Step 2: Convert to fraction form
    790,076.39/1,090,302.41 = 427,500.95/x
  3. Step 3: Cross multiply
    790,076.39x = 1,090,302.41 × 427,500.95
  4. Step 4: Simplify right side
    790,076.39x = 466,105,313,924.79
  5. Step 5: Solve for x
    x = 466,105,313,924.79/790,076.39
  6. Step 6: Final answer
    x = 589,949.68

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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.