Home / 909,617.96-1,254,885.54-667,479.80

Finding the Fourth Proportional to 909,617.96, 1,254,885.54 and 667,479.80

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Solution

The fourth proportional to 909,617.96, 1,254,885.54 and 667,479.80 is: 920,837.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,617.96 : 1,254,885.54 = 667,479.80 : x
  2. Step 2: Convert to fraction form
    909,617.96/1,254,885.54 = 667,479.80/x
  3. Step 3: Cross multiply
    909,617.96x = 1,254,885.54 × 667,479.80
  4. Step 4: Simplify right side
    909,617.96x = 837,610,749,262.09
  5. Step 5: Solve for x
    x = 837,610,749,262.09/909,617.96
  6. Step 6: Final answer
    x = 920,837.96

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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.