Home / 698,090.25-1,046,790.54-409,974.16

Finding the Fourth Proportional to 698,090.25, 1,046,790.54 and 409,974.16

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Solution

The fourth proportional to 698,090.25, 1,046,790.54 and 409,974.16 is: 614,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,090.25 : 1,046,790.54 = 409,974.16 : x
  2. Step 2: Convert to fraction form
    698,090.25/1,046,790.54 = 409,974.16/x
  3. Step 3: Cross multiply
    698,090.25x = 1,046,790.54 × 409,974.16
  4. Step 4: Simplify right side
    698,090.25x = 429,157,071,678.20
  5. Step 5: Solve for x
    x = 429,157,071,678.20/698,090.25
  6. Step 6: Final answer
    x = 614,758.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.