Home / 912,284.78-1,258,856.54-504,320.85

Finding the Fourth Proportional to 912,284.78, 1,258,856.54 and 504,320.85

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Solution

The fourth proportional to 912,284.78, 1,258,856.54 and 504,320.85 is: 695,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,284.78 : 1,258,856.54 = 504,320.85 : x
  2. Step 2: Convert to fraction form
    912,284.78/1,258,856.54 = 504,320.85/x
  3. Step 3: Cross multiply
    912,284.78x = 1,258,856.54 × 504,320.85
  4. Step 4: Simplify right side
    912,284.78x = 634,867,599,650.46
  5. Step 5: Solve for x
    x = 634,867,599,650.46/912,284.78
  6. Step 6: Final answer
    x = 695,909.45

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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.