Home / 688,233.60-1,032,350.40-214,966.80

Finding the Fourth Proportional to 688,233.60, 1,032,350.40 and 214,966.80

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Solution

The fourth proportional to 688,233.60, 1,032,350.40 and 214,966.80 is: 322,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,233.60 : 1,032,350.40 = 214,966.80 : x
  2. Step 2: Convert to fraction form
    688,233.60/1,032,350.40 = 214,966.80/x
  3. Step 3: Cross multiply
    688,233.60x = 1,032,350.40 × 214,966.80
  4. Step 4: Simplify right side
    688,233.60x = 221,921,061,966.72
  5. Step 5: Solve for x
    x = 221,921,061,966.72/688,233.60
  6. Step 6: Final answer
    x = 322,450.20

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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.