Home / 760,915.47-1,049,824.44-438,580.83

Finding the Fourth Proportional to 760,915.47, 1,049,824.44 and 438,580.83

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Solution

The fourth proportional to 760,915.47, 1,049,824.44 and 438,580.83 is: 605,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,915.47 : 1,049,824.44 = 438,580.83 : x
  2. Step 2: Convert to fraction form
    760,915.47/1,049,824.44 = 438,580.83/x
  3. Step 3: Cross multiply
    760,915.47x = 1,049,824.44 × 438,580.83
  4. Step 4: Simplify right side
    760,915.47x = 460,432,874,249.49
  5. Step 5: Solve for x
    x = 460,432,874,249.49/760,915.47
  6. Step 6: Final answer
    x = 605,103.84

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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.