Home / 723,706.74-1,085,567.89-218,272.10

Finding the Fourth Proportional to 723,706.74, 1,085,567.89 and 218,272.10

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Solution

The fourth proportional to 723,706.74, 1,085,567.89 and 218,272.10 is: 327,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,706.74 : 1,085,567.89 = 218,272.10 : x
  2. Step 2: Convert to fraction form
    723,706.74/1,085,567.89 = 218,272.10/x
  3. Step 3: Cross multiply
    723,706.74x = 1,085,567.89 × 218,272.10
  4. Step 4: Simplify right side
    723,706.74x = 236,949,176,523.67
  5. Step 5: Solve for x
    x = 236,949,176,523.67/723,706.74
  6. Step 6: Final answer
    x = 327,410.49

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1.5x scale

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.