Home / 711,829.64-982,227.78-425,288.84

Finding the Fourth Proportional to 711,829.64, 982,227.78 and 425,288.84

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Solution

The fourth proportional to 711,829.64, 982,227.78 and 425,288.84 is: 586,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,829.64 : 982,227.78 = 425,288.84 : x
  2. Step 2: Convert to fraction form
    711,829.64/982,227.78 = 425,288.84/x
  3. Step 3: Cross multiply
    711,829.64x = 982,227.78 × 425,288.84
  4. Step 4: Simplify right side
    711,829.64x = 417,730,513,171.98
  5. Step 5: Solve for x
    x = 417,730,513,171.98/711,829.64
  6. Step 6: Final answer
    x = 586,840.57

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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.