Home / 790,410.60-1,090,787.88-480,207.60

Finding the Fourth Proportional to 790,410.60, 1,090,787.88 and 480,207.60

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Solution

The fourth proportional to 790,410.60, 1,090,787.88 and 480,207.60 is: 662,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,410.60 : 1,090,787.88 = 480,207.60 : x
  2. Step 2: Convert to fraction form
    790,410.60/1,090,787.88 = 480,207.60/x
  3. Step 3: Cross multiply
    790,410.60x = 1,090,787.88 × 480,207.60
  4. Step 4: Simplify right side
    790,410.60x = 523,804,629,963.89
  5. Step 5: Solve for x
    x = 523,804,629,963.89/790,410.60
  6. Step 6: Final answer
    x = 662,699.40

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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.