Home / 872,866.33-1,204,547.66-490,884.91

Finding the Fourth Proportional to 872,866.33, 1,204,547.66 and 490,884.91

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Solution

The fourth proportional to 872,866.33, 1,204,547.66 and 490,884.91 is: 677,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,866.33 : 1,204,547.66 = 490,884.91 : x
  2. Step 2: Convert to fraction form
    872,866.33/1,204,547.66 = 490,884.91/x
  3. Step 3: Cross multiply
    872,866.33x = 1,204,547.66 × 490,884.91
  4. Step 4: Simplify right side
    872,866.33x = 591,294,266,044.84
  5. Step 5: Solve for x
    x = 591,294,266,044.84/872,866.33
  6. Step 6: Final answer
    x = 677,416.74

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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.