Home / 912,313.73-1,258,883.07-504,360.47

Finding the Fourth Proportional to 912,313.73, 1,258,883.07 and 504,360.47

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Solution

The fourth proportional to 912,313.73, 1,258,883.07 and 504,360.47 is: 695,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,313.73 : 1,258,883.07 = 504,360.47 : x
  2. Step 2: Convert to fraction form
    912,313.73/1,258,883.07 = 504,360.47/x
  3. Step 3: Cross multiply
    912,313.73x = 1,258,883.07 × 504,360.47
  4. Step 4: Simplify right side
    912,313.73x = 634,930,858,116.10
  5. Step 5: Solve for x
    x = 634,930,858,116.10/912,313.73
  6. Step 6: Final answer
    x = 695,956.70

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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.