Home / 980,598.58-1,353,352.12-550,879.20

Finding the Fourth Proportional to 980,598.58, 1,353,352.12 and 550,879.20

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Solution

The fourth proportional to 980,598.58, 1,353,352.12 and 550,879.20 is: 760,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,598.58 : 1,353,352.12 = 550,879.20 : x
  2. Step 2: Convert to fraction form
    980,598.58/1,353,352.12 = 550,879.20/x
  3. Step 3: Cross multiply
    980,598.58x = 1,353,352.12 × 550,879.20
  4. Step 4: Simplify right side
    980,598.58x = 745,533,531,806.71
  5. Step 5: Solve for x
    x = 745,533,531,806.71/980,598.58
  6. Step 6: Final answer
    x = 760,284.13

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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.