Home / 587,521.80-881,513.10-213,582.60

Finding the Fourth Proportional to 587,521.80, 881,513.10 and 213,582.60

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Solution

The fourth proportional to 587,521.80, 881,513.10 and 213,582.60 is: 320,457.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,521.80 : 881,513.10 = 213,582.60 : x
  2. Step 2: Convert to fraction form
    587,521.80/881,513.10 = 213,582.60/x
  3. Step 3: Cross multiply
    587,521.80x = 881,513.10 × 213,582.60
  4. Step 4: Simplify right side
    587,521.80x = 188,275,859,832.06
  5. Step 5: Solve for x
    x = 188,275,859,832.06/587,521.80
  6. Step 6: Final answer
    x = 320,457.66

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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.