Home / 710,923.05-980,964.07-404,960.55

Finding the Fourth Proportional to 710,923.05, 980,964.07 and 404,960.55

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Solution

The fourth proportional to 710,923.05, 980,964.07 and 404,960.55 is: 558,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,923.05 : 980,964.07 = 404,960.55 : x
  2. Step 2: Convert to fraction form
    710,923.05/980,964.07 = 404,960.55/x
  3. Step 3: Cross multiply
    710,923.05x = 980,964.07 × 404,960.55
  4. Step 4: Simplify right side
    710,923.05x = 397,251,753,150.03
  5. Step 5: Solve for x
    x = 397,251,753,150.03/710,923.05
  6. Step 6: Final answer
    x = 558,783.05

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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.