Home / 980,586.95-1,353,062.68-550,784.75

Finding the Fourth Proportional to 980,586.95, 1,353,062.68 and 550,784.75

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Solution

The fourth proportional to 980,586.95, 1,353,062.68 and 550,784.75 is: 760,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,586.95 : 1,353,062.68 = 550,784.75 : x
  2. Step 2: Convert to fraction form
    980,586.95/1,353,062.68 = 550,784.75/x
  3. Step 3: Cross multiply
    980,586.95x = 1,353,062.68 × 550,784.75
  4. Step 4: Simplify right side
    980,586.95x = 745,246,281,795.86
  5. Step 5: Solve for x
    x = 745,246,281,795.86/980,586.95
  6. Step 6: Final answer
    x = 760,000.21

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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.