Home / 979,875.93-1,352,183.07-544,321.50

Finding the Fourth Proportional to 979,875.93, 1,352,183.07 and 544,321.50

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Solution

The fourth proportional to 979,875.93, 1,352,183.07 and 544,321.50 is: 751,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,875.93 : 1,352,183.07 = 544,321.50 : x
  2. Step 2: Convert to fraction form
    979,875.93/1,352,183.07 = 544,321.50/x
  3. Step 3: Cross multiply
    979,875.93x = 1,352,183.07 × 544,321.50
  4. Step 4: Simplify right side
    979,875.93x = 736,022,316,937.01
  5. Step 5: Solve for x
    x = 736,022,316,937.01/979,875.93
  6. Step 6: Final answer
    x = 751,138.28

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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.