Home / 713,356.67-1,070,385.24-286,875.25

Finding the Fourth Proportional to 713,356.67, 1,070,385.24 and 286,875.25

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Solution

The fourth proportional to 713,356.67, 1,070,385.24 and 286,875.25 is: 430,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,356.67 : 1,070,385.24 = 286,875.25 : x
  2. Step 2: Convert to fraction form
    713,356.67/1,070,385.24 = 286,875.25/x
  3. Step 3: Cross multiply
    713,356.67x = 1,070,385.24 × 286,875.25
  4. Step 4: Simplify right side
    713,356.67x = 307,067,033,321.31
  5. Step 5: Solve for x
    x = 307,067,033,321.31/713,356.67
  6. Step 6: Final answer
    x = 430,453.72

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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.