Home / 721,897.60-1,082,846.40-367,603.60

Finding the Fourth Proportional to 721,897.60, 1,082,846.40 and 367,603.60

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Solution

The fourth proportional to 721,897.60, 1,082,846.40 and 367,603.60 is: 551,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,897.60 : 1,082,846.40 = 367,603.60 : x
  2. Step 2: Convert to fraction form
    721,897.60/1,082,846.40 = 367,603.60/x
  3. Step 3: Cross multiply
    721,897.60x = 1,082,846.40 × 367,603.60
  4. Step 4: Simplify right side
    721,897.60x = 398,058,234,887.04
  5. Step 5: Solve for x
    x = 398,058,234,887.04/721,897.60
  6. Step 6: Final answer
    x = 551,405.40

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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.