Home / 872,509.48-1,204,045.68-485,316.52

Finding the Fourth Proportional to 872,509.48, 1,204,045.68 and 485,316.52

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Solution

The fourth proportional to 872,509.48, 1,204,045.68 and 485,316.52 is: 669,727.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,509.48 : 1,204,045.68 = 485,316.52 : x
  2. Step 2: Convert to fraction form
    872,509.48/1,204,045.68 = 485,316.52/x
  3. Step 3: Cross multiply
    872,509.48x = 1,204,045.68 × 485,316.52
  4. Step 4: Simplify right side
    872,509.48x = 584,343,259,338.63
  5. Step 5: Solve for x
    x = 584,343,259,338.63/872,509.48
  6. Step 6: Final answer
    x = 669,727.12

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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.