Home / 954,159.30-1,316,741.74-518,579.06

Finding the Fourth Proportional to 954,159.30, 1,316,741.74 and 518,579.06

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Solution

The fourth proportional to 954,159.30, 1,316,741.74 and 518,579.06 is: 715,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,159.30 : 1,316,741.74 = 518,579.06 : x
  2. Step 2: Convert to fraction form
    954,159.30/1,316,741.74 = 518,579.06/x
  3. Step 3: Cross multiply
    954,159.30x = 1,316,741.74 × 518,579.06
  4. Step 4: Simplify right side
    954,159.30x = 682,834,693,791.96
  5. Step 5: Solve for x
    x = 682,834,693,791.96/954,159.30
  6. Step 6: Final answer
    x = 715,640.14

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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.