Home / 808,004.60-1,211,238.90-302,430.20

Finding the Fourth Proportional to 808,004.60, 1,211,238.90 and 302,430.20

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Solution

The fourth proportional to 808,004.60, 1,211,238.90 and 302,430.20 is: 453,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,004.60 : 1,211,238.90 = 302,430.20 : x
  2. Step 2: Convert to fraction form
    808,004.60/1,211,238.90 = 302,430.20/x
  3. Step 3: Cross multiply
    808,004.60x = 1,211,238.90 × 302,430.20
  4. Step 4: Simplify right side
    808,004.60x = 366,315,222,774.78
  5. Step 5: Solve for x
    x = 366,315,222,774.78/808,004.60
  6. Step 6: Final answer
    x = 453,357.84

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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.