Home / 770,464.86-1,063,183.77-430,867.50

Finding the Fourth Proportional to 770,464.86, 1,063,183.77 and 430,867.50

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Solution

The fourth proportional to 770,464.86, 1,063,183.77 and 430,867.50 is: 594,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,464.86 : 1,063,183.77 = 430,867.50 : x
  2. Step 2: Convert to fraction form
    770,464.86/1,063,183.77 = 430,867.50/x
  3. Step 3: Cross multiply
    770,464.86x = 1,063,183.77 × 430,867.50
  4. Step 4: Simplify right side
    770,464.86x = 458,091,333,020.48
  5. Step 5: Solve for x
    x = 458,091,333,020.48/770,464.86
  6. Step 6: Final answer
    x = 594,564.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.