Home / 525,494.96-724,923.24-310,531.04

Finding the Fourth Proportional to 525,494.96, 724,923.24 and 310,531.04

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Solution

The fourth proportional to 525,494.96, 724,923.24 and 310,531.04 is: 428,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,494.96 : 724,923.24 = 310,531.04 : x
  2. Step 2: Convert to fraction form
    525,494.96/724,923.24 = 310,531.04/x
  3. Step 3: Cross multiply
    525,494.96x = 724,923.24 × 310,531.04
  4. Step 4: Simplify right side
    525,494.96x = 225,111,167,637.37
  5. Step 5: Solve for x
    x = 225,111,167,637.37/525,494.96
  6. Step 6: Final answer
    x = 428,379.31

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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.