Home / 760,735.71-1,049,815.27-438,466.56

Finding the Fourth Proportional to 760,735.71, 1,049,815.27 and 438,466.56

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Solution

The fourth proportional to 760,735.71, 1,049,815.27 and 438,466.56 is: 605,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,735.71 : 1,049,815.27 = 438,466.56 : x
  2. Step 2: Convert to fraction form
    760,735.71/1,049,815.27 = 438,466.56/x
  3. Step 3: Cross multiply
    760,735.71x = 1,049,815.27 × 438,466.56
  4. Step 4: Simplify right side
    760,735.71x = 460,308,892,621.44
  5. Step 5: Solve for x
    x = 460,308,892,621.44/760,735.71
  6. Step 6: Final answer
    x = 605,083.85

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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.