Home / 873,599.31-1,310,349.66-387,141.36

Finding the Fourth Proportional to 873,599.31, 1,310,349.66 and 387,141.36

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Solution

The fourth proportional to 873,599.31, 1,310,349.66 and 387,141.36 is: 580,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,599.31 : 1,310,349.66 = 387,141.36 : x
  2. Step 2: Convert to fraction form
    873,599.31/1,310,349.66 = 387,141.36/x
  3. Step 3: Cross multiply
    873,599.31x = 1,310,349.66 × 387,141.36
  4. Step 4: Simplify right side
    873,599.31x = 507,290,549,447.94
  5. Step 5: Solve for x
    x = 507,290,549,447.94/873,599.31
  6. Step 6: Final answer
    x = 580,690.19

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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.