Home / 820,815.06-1,132,403.04-476,592.24

Finding the Fourth Proportional to 820,815.06, 1,132,403.04 and 476,592.24

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Solution

The fourth proportional to 820,815.06, 1,132,403.04 and 476,592.24 is: 657,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,815.06 : 1,132,403.04 = 476,592.24 : x
  2. Step 2: Convert to fraction form
    820,815.06/1,132,403.04 = 476,592.24/x
  3. Step 3: Cross multiply
    820,815.06x = 1,132,403.04 × 476,592.24
  4. Step 4: Simplify right side
    820,815.06x = 539,694,501,416.41
  5. Step 5: Solve for x
    x = 539,694,501,416.41/820,815.06
  6. Step 6: Final answer
    x = 657,510.48

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.