Home / 708,408.15-1,062,865.98-303,430.47

Finding the Fourth Proportional to 708,408.15, 1,062,865.98 and 303,430.47

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Solution

The fourth proportional to 708,408.15, 1,062,865.98 and 303,430.47 is: 455,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,408.15 : 1,062,865.98 = 303,430.47 : x
  2. Step 2: Convert to fraction form
    708,408.15/1,062,865.98 = 303,430.47/x
  3. Step 3: Cross multiply
    708,408.15x = 1,062,865.98 × 303,430.47
  4. Step 4: Simplify right side
    708,408.15x = 322,505,923,858.41
  5. Step 5: Solve for x
    x = 322,505,923,858.41/708,408.15
  6. Step 6: Final answer
    x = 455,254.40

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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.