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Finding the Fourth Proportional to 408,707.88, 564,094.90 and 270,643.38

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Solution

The fourth proportional to 408,707.88, 564,094.90 and 270,643.38 is: 373,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,707.88 : 564,094.90 = 270,643.38 : x
  2. Step 2: Convert to fraction form
    408,707.88/564,094.90 = 270,643.38/x
  3. Step 3: Cross multiply
    408,707.88x = 564,094.90 × 270,643.38
  4. Step 4: Simplify right side
    408,707.88x = 152,668,550,376.76
  5. Step 5: Solve for x
    x = 152,668,550,376.76/408,707.88
  6. Step 6: Final answer
    x = 373,539.53

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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.