Home / 811,985.82-1,218,101.72-589,028.67

Finding the Fourth Proportional to 811,985.82, 1,218,101.72 and 589,028.67

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Solution

The fourth proportional to 811,985.82, 1,218,101.72 and 589,028.67 is: 883,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,985.82 : 1,218,101.72 = 589,028.67 : x
  2. Step 2: Convert to fraction form
    811,985.82/1,218,101.72 = 589,028.67/x
  3. Step 3: Cross multiply
    811,985.82x = 1,218,101.72 × 589,028.67
  4. Step 4: Simplify right side
    811,985.82x = 717,496,833,111.17
  5. Step 5: Solve for x
    x = 717,496,833,111.17/811,985.82
  6. Step 6: Final answer
    x = 883,632.22

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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.