Home / 913,940.43-1,261,308.81-506,080.23

Finding the Fourth Proportional to 913,940.43, 1,261,308.81 and 506,080.23

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Solution

The fourth proportional to 913,940.43, 1,261,308.81 and 506,080.23 is: 698,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,940.43 : 1,261,308.81 = 506,080.23 : x
  2. Step 2: Convert to fraction form
    913,940.43/1,261,308.81 = 506,080.23/x
  3. Step 3: Cross multiply
    913,940.43x = 1,261,308.81 × 506,080.23
  4. Step 4: Simplify right side
    913,940.43x = 638,323,452,665.83
  5. Step 5: Solve for x
    x = 638,323,452,665.83/913,940.43
  6. Step 6: Final answer
    x = 698,430.04

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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.