Home / 904,676.61-1,248,457.13-491,214.01

Finding the Fourth Proportional to 904,676.61, 1,248,457.13 and 491,214.01

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Solution

The fourth proportional to 904,676.61, 1,248,457.13 and 491,214.01 is: 677,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,676.61 : 1,248,457.13 = 491,214.01 : x
  2. Step 2: Convert to fraction form
    904,676.61/1,248,457.13 = 491,214.01/x
  3. Step 3: Cross multiply
    904,676.61x = 1,248,457.13 × 491,214.01
  4. Step 4: Simplify right side
    904,676.61x = 613,259,633,140.39
  5. Step 5: Solve for x
    x = 613,259,633,140.39/904,676.61
  6. Step 6: Final answer
    x = 677,877.18

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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.