Home / 790,454.73-1,090,828.16-427,877.47

Finding the Fourth Proportional to 790,454.73, 1,090,828.16 and 427,877.47

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Solution

The fourth proportional to 790,454.73, 1,090,828.16 and 427,877.47 is: 590,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,454.73 : 1,090,828.16 = 427,877.47 : x
  2. Step 2: Convert to fraction form
    790,454.73/1,090,828.16 = 427,877.47/x
  3. Step 3: Cross multiply
    790,454.73x = 1,090,828.16 × 427,877.47
  4. Step 4: Simplify right side
    790,454.73x = 466,740,793,305.56
  5. Step 5: Solve for x
    x = 466,740,793,305.56/790,454.73
  6. Step 6: Final answer
    x = 590,471.25

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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.