Home / 912,265.59-1,258,923.36-509,857.59

Finding the Fourth Proportional to 912,265.59, 1,258,923.36 and 509,857.59

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Solution

The fourth proportional to 912,265.59, 1,258,923.36 and 509,857.59 is: 703,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,265.59 : 1,258,923.36 = 509,857.59 : x
  2. Step 2: Convert to fraction form
    912,265.59/1,258,923.36 = 509,857.59/x
  3. Step 3: Cross multiply
    912,265.59x = 1,258,923.36 × 509,857.59
  4. Step 4: Simplify right side
    912,265.59x = 641,871,630,324.30
  5. Step 5: Solve for x
    x = 641,871,630,324.30/912,265.59
  6. Step 6: Final answer
    x = 703,601.71

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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.