Home / 888,781.52-1,333,368.12-257,721.68

Finding the Fourth Proportional to 888,781.52, 1,333,368.12 and 257,721.68

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Solution

The fourth proportional to 888,781.52, 1,333,368.12 and 257,721.68 is: 386,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,781.52 : 1,333,368.12 = 257,721.68 : x
  2. Step 2: Convert to fraction form
    888,781.52/1,333,368.12 = 257,721.68/x
  3. Step 3: Cross multiply
    888,781.52x = 1,333,368.12 × 257,721.68
  4. Step 4: Simplify right side
    888,781.52x = 343,637,871,944.84
  5. Step 5: Solve for x
    x = 343,637,871,944.84/888,781.52
  6. Step 6: Final answer
    x = 386,639.31

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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.