Home / 779,843.80-1,169,765.70-476,725.60

Finding the Fourth Proportional to 779,843.80, 1,169,765.70 and 476,725.60

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Solution

The fourth proportional to 779,843.80, 1,169,765.70 and 476,725.60 is: 715,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,843.80 : 1,169,765.70 = 476,725.60 : x
  2. Step 2: Convert to fraction form
    779,843.80/1,169,765.70 = 476,725.60/x
  3. Step 3: Cross multiply
    779,843.80x = 1,169,765.70 × 476,725.60
  4. Step 4: Simplify right side
    779,843.80x = 557,657,255,191.92
  5. Step 5: Solve for x
    x = 557,657,255,191.92/779,843.80
  6. Step 6: Final answer
    x = 715,088.40

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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.