Home / 912,280.70-1,258,896.53-504,358.73

Finding the Fourth Proportional to 912,280.70, 1,258,896.53 and 504,358.73

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Solution

The fourth proportional to 912,280.70, 1,258,896.53 and 504,358.73 is: 695,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,280.70 : 1,258,896.53 = 504,358.73 : x
  2. Step 2: Convert to fraction form
    912,280.70/1,258,896.53 = 504,358.73/x
  3. Step 3: Cross multiply
    912,280.70x = 1,258,896.53 × 504,358.73
  4. Step 4: Simplify right side
    912,280.70x = 634,935,451,218.84
  5. Step 5: Solve for x
    x = 634,935,451,218.84/912,280.70
  6. Step 6: Final answer
    x = 695,986.94

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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.