Home / 980,497.46-1,353,012.72-550,693.64

Finding the Fourth Proportional to 980,497.46, 1,353,012.72 and 550,693.64

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Solution

The fourth proportional to 980,497.46, 1,353,012.72 and 550,693.64 is: 759,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,497.46 : 1,353,012.72 = 550,693.64 : x
  2. Step 2: Convert to fraction form
    980,497.46/1,353,012.72 = 550,693.64/x
  3. Step 3: Cross multiply
    980,497.46x = 1,353,012.72 × 550,693.64
  4. Step 4: Simplify right side
    980,497.46x = 745,095,499,743.10
  5. Step 5: Solve for x
    x = 745,095,499,743.10/980,497.46
  6. Step 6: Final answer
    x = 759,915.79

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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.