Home / 979,928.32-1,352,338.98-544,378.64

Finding the Fourth Proportional to 979,928.32, 1,352,338.98 and 544,378.64

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Solution

The fourth proportional to 979,928.32, 1,352,338.98 and 544,378.64 is: 751,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,928.32 : 1,352,338.98 = 544,378.64 : x
  2. Step 2: Convert to fraction form
    979,928.32/1,352,338.98 = 544,378.64/x
  3. Step 3: Cross multiply
    979,928.32x = 1,352,338.98 × 544,378.64
  4. Step 4: Simplify right side
    979,928.32x = 736,184,454,751.39
  5. Step 5: Solve for x
    x = 736,184,454,751.39/979,928.32
  6. Step 6: Final answer
    x = 751,263.58

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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.