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Finding the Fourth Proportional to 604,879.75, 907,319.63 and 210,895.75

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Solution

The fourth proportional to 604,879.75, 907,319.63 and 210,895.75 is: 316,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,879.75 : 907,319.63 = 210,895.75 : x
  2. Step 2: Convert to fraction form
    604,879.75/907,319.63 = 210,895.75/x
  3. Step 3: Cross multiply
    604,879.75x = 907,319.63 × 210,895.75
  4. Step 4: Simplify right side
    604,879.75x = 191,349,853,858.57
  5. Step 5: Solve for x
    x = 191,349,853,858.57/604,879.75
  6. Step 6: Final answer
    x = 316,343.63

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Similar ratio
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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.