Home / 909,616.96-1,254,884.16-667,478.80

Finding the Fourth Proportional to 909,616.96, 1,254,884.16 and 667,478.80

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Solution

The fourth proportional to 909,616.96, 1,254,884.16 and 667,478.80 is: 920,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,616.96 : 1,254,884.16 = 667,478.80 : x
  2. Step 2: Convert to fraction form
    909,616.96/1,254,884.16 = 667,478.80/x
  3. Step 3: Cross multiply
    909,616.96x = 1,254,884.16 × 667,478.80
  4. Step 4: Simplify right side
    909,616.96x = 837,608,573,255.81
  5. Step 5: Solve for x
    x = 837,608,573,255.81/909,616.96
  6. Step 6: Final answer
    x = 920,836.58

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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.