Home / 891,666.33-1,337,600.98-323,315.11

Finding the Fourth Proportional to 891,666.33, 1,337,600.98 and 323,315.11

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Solution

The fourth proportional to 891,666.33, 1,337,600.98 and 323,315.11 is: 485,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,666.33 : 1,337,600.98 = 323,315.11 : x
  2. Step 2: Convert to fraction form
    891,666.33/1,337,600.98 = 323,315.11/x
  3. Step 3: Cross multiply
    891,666.33x = 1,337,600.98 × 323,315.11
  4. Step 4: Simplify right side
    891,666.33x = 432,466,607,984.81
  5. Step 5: Solve for x
    x = 432,466,607,984.81/891,666.33
  6. Step 6: Final answer
    x = 485,009.46

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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.