Home / 875,117.48-1,312,151.13-342,003.42

Finding the Fourth Proportional to 875,117.48, 1,312,151.13 and 342,003.42

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Solution

The fourth proportional to 875,117.48, 1,312,151.13 and 342,003.42 is: 512,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,117.48 : 1,312,151.13 = 342,003.42 : x
  2. Step 2: Convert to fraction form
    875,117.48/1,312,151.13 = 342,003.42/x
  3. Step 3: Cross multiply
    875,117.48x = 1,312,151.13 × 342,003.42
  4. Step 4: Simplify right side
    875,117.48x = 448,760,174,016.87
  5. Step 5: Solve for x
    x = 448,760,174,016.87/875,117.48
  6. Step 6: Final answer
    x = 512,799.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.