Home / 912,317.85-1,258,947.75-504,395.91

Finding the Fourth Proportional to 912,317.85, 1,258,947.75 and 504,395.91

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Solution

The fourth proportional to 912,317.85, 1,258,947.75 and 504,395.91 is: 696,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,317.85 : 1,258,947.75 = 504,395.91 : x
  2. Step 2: Convert to fraction form
    912,317.85/1,258,947.75 = 504,395.91/x
  3. Step 3: Cross multiply
    912,317.85x = 1,258,947.75 × 504,395.91
  4. Step 4: Simplify right side
    912,317.85x = 635,008,096,003.70
  5. Step 5: Solve for x
    x = 635,008,096,003.70/912,317.85
  6. Step 6: Final answer
    x = 696,038.22

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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.