Home / 723,076.80-1,084,615.20-471,134.40

Finding the Fourth Proportional to 723,076.80, 1,084,615.20 and 471,134.40

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Solution

The fourth proportional to 723,076.80, 1,084,615.20 and 471,134.40 is: 706,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,076.80 : 1,084,615.20 = 471,134.40 : x
  2. Step 2: Convert to fraction form
    723,076.80/1,084,615.20 = 471,134.40/x
  3. Step 3: Cross multiply
    723,076.80x = 1,084,615.20 × 471,134.40
  4. Step 4: Simplify right side
    723,076.80x = 510,999,531,482.88
  5. Step 5: Solve for x
    x = 510,999,531,482.88/723,076.80
  6. Step 6: Final answer
    x = 706,701.60

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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.