Home / 909,618.96-1,254,886.92-667,480.80

Finding the Fourth Proportional to 909,618.96, 1,254,886.92 and 667,480.80

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Solution

The fourth proportional to 909,618.96, 1,254,886.92 and 667,480.80 is: 920,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,618.96 : 1,254,886.92 = 667,480.80 : x
  2. Step 2: Convert to fraction form
    909,618.96/1,254,886.92 = 667,480.80/x
  3. Step 3: Cross multiply
    909,618.96x = 1,254,886.92 × 667,480.80
  4. Step 4: Simplify right side
    909,618.96x = 837,612,925,271.14
  5. Step 5: Solve for x
    x = 837,612,925,271.14/909,618.96
  6. Step 6: Final answer
    x = 920,839.34

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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.