Home / 891,718.81-1,337,622.09-359,167.84

Finding the Fourth Proportional to 891,718.81, 1,337,622.09 and 359,167.84

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Solution

The fourth proportional to 891,718.81, 1,337,622.09 and 359,167.84 is: 538,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,718.81 : 1,337,622.09 = 359,167.84 : x
  2. Step 2: Convert to fraction form
    891,718.81/1,337,622.09 = 359,167.84/x
  3. Step 3: Cross multiply
    891,718.81x = 1,337,622.09 × 359,167.84
  4. Step 4: Simplify right side
    891,718.81x = 480,430,828,317.64
  5. Step 5: Solve for x
    x = 480,430,828,317.64/891,718.81
  6. Step 6: Final answer
    x = 538,769.43

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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.