Home / 980,984.08-1,471,461.52-270,996.40

Finding the Fourth Proportional to 980,984.08, 1,471,461.52 and 270,996.40

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Solution

The fourth proportional to 980,984.08, 1,471,461.52 and 270,996.40 is: 406,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,984.08 : 1,471,461.52 = 270,996.40 : x
  2. Step 2: Convert to fraction form
    980,984.08/1,471,461.52 = 270,996.40/x
  3. Step 3: Cross multiply
    980,984.08x = 1,471,461.52 × 270,996.40
  4. Step 4: Simplify right side
    980,984.08x = 398,760,774,658.53
  5. Step 5: Solve for x
    x = 398,760,774,658.53/980,984.08
  6. Step 6: Final answer
    x = 406,490.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.