Home / 770,463.86-1,063,182.39-430,866.50

Finding the Fourth Proportional to 770,463.86, 1,063,182.39 and 430,866.50

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Solution

The fourth proportional to 770,463.86, 1,063,182.39 and 430,866.50 is: 594,563.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,463.86 : 1,063,182.39 = 430,866.50 : x
  2. Step 2: Convert to fraction form
    770,463.86/1,063,182.39 = 430,866.50/x
  3. Step 3: Cross multiply
    770,463.86x = 1,063,182.39 × 430,866.50
  4. Step 4: Simplify right side
    770,463.86x = 458,089,675,240.94
  5. Step 5: Solve for x
    x = 458,089,675,240.94/770,463.86
  6. Step 6: Final answer
    x = 594,563.48

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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.