Home / 811,950.60-1,217,810.70-251,041.80

Finding the Fourth Proportional to 811,950.60, 1,217,810.70 and 251,041.80

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Solution

The fourth proportional to 811,950.60, 1,217,810.70 and 251,041.80 is: 376,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,950.60 : 1,217,810.70 = 251,041.80 : x
  2. Step 2: Convert to fraction form
    811,950.60/1,217,810.70 = 251,041.80/x
  3. Step 3: Cross multiply
    811,950.60x = 1,217,810.70 × 251,041.80
  4. Step 4: Simplify right side
    811,950.60x = 305,721,390,187.26
  5. Step 5: Solve for x
    x = 305,721,390,187.26/811,950.60
  6. Step 6: Final answer
    x = 376,527.08

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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.