Home / 723,077.80-1,084,616.70-471,135.40

Finding the Fourth Proportional to 723,077.80, 1,084,616.70 and 471,135.40

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Solution

The fourth proportional to 723,077.80, 1,084,616.70 and 471,135.40 is: 706,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,077.80 : 1,084,616.70 = 471,135.40 : x
  2. Step 2: Convert to fraction form
    723,077.80/1,084,616.70 = 471,135.40/x
  3. Step 3: Cross multiply
    723,077.80x = 1,084,616.70 × 471,135.40
  4. Step 4: Simplify right side
    723,077.80x = 511,001,322,801.18
  5. Step 5: Solve for x
    x = 511,001,322,801.18/723,077.80
  6. Step 6: Final answer
    x = 706,703.10

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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.