Home / 790,040.54-1,090,248.14-427,456.44

Finding the Fourth Proportional to 790,040.54, 1,090,248.14 and 427,456.44

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Solution

The fourth proportional to 790,040.54, 1,090,248.14 and 427,456.44 is: 589,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,040.54 : 1,090,248.14 = 427,456.44 : x
  2. Step 2: Convert to fraction form
    790,040.54/1,090,248.14 = 427,456.44/x
  3. Step 3: Cross multiply
    790,040.54x = 1,090,248.14 × 427,456.44
  4. Step 4: Simplify right side
    790,040.54x = 466,033,588,641.02
  5. Step 5: Solve for x
    x = 466,033,588,641.02/790,040.54
  6. Step 6: Final answer
    x = 589,885.66

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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.