Home / 672,002.60-1,008,003.90-605,647.40

Finding the Fourth Proportional to 672,002.60, 1,008,003.90 and 605,647.40

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Solution

The fourth proportional to 672,002.60, 1,008,003.90 and 605,647.40 is: 908,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,002.60 : 1,008,003.90 = 605,647.40 : x
  2. Step 2: Convert to fraction form
    672,002.60/1,008,003.90 = 605,647.40/x
  3. Step 3: Cross multiply
    672,002.60x = 1,008,003.90 × 605,647.40
  4. Step 4: Simplify right side
    672,002.60x = 610,494,941,224.86
  5. Step 5: Solve for x
    x = 610,494,941,224.86/672,002.60
  6. Step 6: Final answer
    x = 908,471.10

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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.