Home / 662,922.80-994,384.20-572,721.20

Finding the Fourth Proportional to 662,922.80, 994,384.20 and 572,721.20

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Solution

The fourth proportional to 662,922.80, 994,384.20 and 572,721.20 is: 859,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,922.80 : 994,384.20 = 572,721.20 : x
  2. Step 2: Convert to fraction form
    662,922.80/994,384.20 = 572,721.20/x
  3. Step 3: Cross multiply
    662,922.80x = 994,384.20 × 572,721.20
  4. Step 4: Simplify right side
    662,922.80x = 569,504,912,285.04
  5. Step 5: Solve for x
    x = 569,504,912,285.04/662,922.80
  6. Step 6: Final answer
    x = 859,081.80

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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.