Home / 872,889.22-1,204,575.52-490,915.98

Finding the Fourth Proportional to 872,889.22, 1,204,575.52 and 490,915.98

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Solution

The fourth proportional to 872,889.22, 1,204,575.52 and 490,915.98 is: 677,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,889.22 : 1,204,575.52 = 490,915.98 : x
  2. Step 2: Convert to fraction form
    872,889.22/1,204,575.52 = 490,915.98/x
  3. Step 3: Cross multiply
    872,889.22x = 1,204,575.52 × 490,915.98
  4. Step 4: Simplify right side
    872,889.22x = 591,345,371,884.81
  5. Step 5: Solve for x
    x = 591,345,371,884.81/872,889.22
  6. Step 6: Final answer
    x = 677,457.53

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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.