Home / 781,354.58-1,172,077.24-301,585.10

Finding the Fourth Proportional to 781,354.58, 1,172,077.24 and 301,585.10

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Solution

The fourth proportional to 781,354.58, 1,172,077.24 and 301,585.10 is: 452,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,354.58 : 1,172,077.24 = 301,585.10 : x
  2. Step 2: Convert to fraction form
    781,354.58/1,172,077.24 = 301,585.10/x
  3. Step 3: Cross multiply
    781,354.58x = 1,172,077.24 × 301,585.10
  4. Step 4: Simplify right side
    781,354.58x = 353,481,028,880.71
  5. Step 5: Solve for x
    x = 353,481,028,880.71/781,354.58
  6. Step 6: Final answer
    x = 452,395.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.