Home / 980,581.08-1,353,129.16-550,932.80

Finding the Fourth Proportional to 980,581.08, 1,353,129.16 and 550,932.80

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Solution

The fourth proportional to 980,581.08, 1,353,129.16 and 550,932.80 is: 760,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,581.08 : 1,353,129.16 = 550,932.80 : x
  2. Step 2: Convert to fraction form
    980,581.08/1,353,129.16 = 550,932.80/x
  3. Step 3: Cross multiply
    980,581.08x = 1,353,129.16 × 550,932.80
  4. Step 4: Simplify right side
    980,581.08x = 745,483,236,880.45
  5. Step 5: Solve for x
    x = 745,483,236,880.45/980,581.08
  6. Step 6: Final answer
    x = 760,246.40

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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.