Home / 486,897.07-671,943.54-293,365.57

Finding the Fourth Proportional to 486,897.07, 671,943.54 and 293,365.57

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Solution

The fourth proportional to 486,897.07, 671,943.54 and 293,365.57 is: 404,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,897.07 : 671,943.54 = 293,365.57 : x
  2. Step 2: Convert to fraction form
    486,897.07/671,943.54 = 293,365.57/x
  3. Step 3: Cross multiply
    486,897.07x = 671,943.54 × 293,365.57
  4. Step 4: Simplify right side
    486,897.07x = 197,125,099,619.92
  5. Step 5: Solve for x
    x = 197,125,099,619.92/486,897.07
  6. Step 6: Final answer
    x = 404,859.90

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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.