Home / 751,248.45-1,036,608.17-424,442.21

Finding the Fourth Proportional to 751,248.45, 1,036,608.17 and 424,442.21

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Solution

The fourth proportional to 751,248.45, 1,036,608.17 and 424,442.21 is: 585,665.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,248.45 : 1,036,608.17 = 424,442.21 : x
  2. Step 2: Convert to fraction form
    751,248.45/1,036,608.17 = 424,442.21/x
  3. Step 3: Cross multiply
    751,248.45x = 1,036,608.17 × 424,442.21
  4. Step 4: Simplify right side
    751,248.45x = 439,980,255,273.60
  5. Step 5: Solve for x
    x = 439,980,255,273.60/751,248.45
  6. Step 6: Final answer
    x = 585,665.44

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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.