Home / 912,329.10-1,258,963.35-504,407.16

Finding the Fourth Proportional to 912,329.10, 1,258,963.35 and 504,407.16

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Solution

The fourth proportional to 912,329.10, 1,258,963.35 and 504,407.16 is: 696,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,329.10 : 1,258,963.35 = 504,407.16 : x
  2. Step 2: Convert to fraction form
    912,329.10/1,258,963.35 = 504,407.16/x
  3. Step 3: Cross multiply
    912,329.10x = 1,258,963.35 × 504,407.16
  4. Step 4: Simplify right side
    912,329.10x = 635,030,127,917.59
  5. Step 5: Solve for x
    x = 635,030,127,917.59/912,329.10
  6. Step 6: Final answer
    x = 696,053.79

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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.