Home / 748,801.96-1,033,804.56-487,406.32

Finding the Fourth Proportional to 748,801.96, 1,033,804.56 and 487,406.32

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Solution

The fourth proportional to 748,801.96, 1,033,804.56 and 487,406.32 is: 672,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,801.96 : 1,033,804.56 = 487,406.32 : x
  2. Step 2: Convert to fraction form
    748,801.96/1,033,804.56 = 487,406.32/x
  3. Step 3: Cross multiply
    748,801.96x = 1,033,804.56 × 487,406.32
  4. Step 4: Simplify right side
    748,801.96x = 503,882,876,188.82
  5. Step 5: Solve for x
    x = 503,882,876,188.82/748,801.96
  6. Step 6: Final answer
    x = 672,918.75

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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.