Home / 980,754.40-1,353,442.26-551,034.28

Finding the Fourth Proportional to 980,754.40, 1,353,442.26 and 551,034.28

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Solution

The fourth proportional to 980,754.40, 1,353,442.26 and 551,034.28 is: 760,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,754.40 : 1,353,442.26 = 551,034.28 : x
  2. Step 2: Convert to fraction form
    980,754.40/1,353,442.26 = 551,034.28/x
  3. Step 3: Cross multiply
    980,754.40x = 1,353,442.26 × 551,034.28
  4. Step 4: Simplify right side
    980,754.40x = 745,793,081,260.67
  5. Step 5: Solve for x
    x = 745,793,081,260.67/980,754.40
  6. Step 6: Final answer
    x = 760,427.97

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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.