Home / 791,269.79-1,091,953.40-428,693.67

Finding the Fourth Proportional to 791,269.79, 1,091,953.40 and 428,693.67

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Solution

The fourth proportional to 791,269.79, 1,091,953.40 and 428,693.67 is: 591,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,269.79 : 1,091,953.40 = 428,693.67 : x
  2. Step 2: Convert to fraction form
    791,269.79/1,091,953.40 = 428,693.67/x
  3. Step 3: Cross multiply
    791,269.79x = 1,091,953.40 × 428,693.67
  4. Step 4: Simplify right side
    791,269.79x = 468,113,508,371.51
  5. Step 5: Solve for x
    x = 468,113,508,371.51/791,269.79
  6. Step 6: Final answer
    x = 591,597.86

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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.