Home / 873,342.60-1,309,570.80-399,621.96

Finding the Fourth Proportional to 873,342.60, 1,309,570.80 and 399,621.96

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Solution

The fourth proportional to 873,342.60, 1,309,570.80 and 399,621.96 is: 599,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,342.60 : 1,309,570.80 = 399,621.96 : x
  2. Step 2: Convert to fraction form
    873,342.60/1,309,570.80 = 399,621.96/x
  3. Step 3: Cross multiply
    873,342.60x = 1,309,570.80 × 399,621.96
  4. Step 4: Simplify right side
    873,342.60x = 523,333,249,854.77
  5. Step 5: Solve for x
    x = 523,333,249,854.77/873,342.60
  6. Step 6: Final answer
    x = 599,230.19

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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.