Home / 820,144.10-1,230,216.15-597,070.10

Finding the Fourth Proportional to 820,144.10, 1,230,216.15 and 597,070.10

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Solution

The fourth proportional to 820,144.10, 1,230,216.15 and 597,070.10 is: 895,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,144.10 : 1,230,216.15 = 597,070.10 : x
  2. Step 2: Convert to fraction form
    820,144.10/1,230,216.15 = 597,070.10/x
  3. Step 3: Cross multiply
    820,144.10x = 1,230,216.15 × 597,070.10
  4. Step 4: Simplify right side
    820,144.10x = 734,525,279,702.12
  5. Step 5: Solve for x
    x = 734,525,279,702.12/820,144.10
  6. Step 6: Final answer
    x = 895,605.15

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Double scale
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Similar ratio
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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.