Home / 993,365.80-1,489,206.30-361,911.40

Finding the Fourth Proportional to 993,365.80, 1,489,206.30 and 361,911.40

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Solution

The fourth proportional to 993,365.80, 1,489,206.30 and 361,911.40 is: 542,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,365.80 : 1,489,206.30 = 361,911.40 : x
  2. Step 2: Convert to fraction form
    993,365.80/1,489,206.30 = 361,911.40/x
  3. Step 3: Cross multiply
    993,365.80x = 1,489,206.30 × 361,911.40
  4. Step 4: Simplify right side
    993,365.80x = 538,960,736,921.82
  5. Step 5: Solve for x
    x = 538,960,736,921.82/993,365.80
  6. Step 6: Final answer
    x = 542,560.19

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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.