Home / 809,051.49-1,213,818.75-240,451.47

Finding the Fourth Proportional to 809,051.49, 1,213,818.75 and 240,451.47

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Solution

The fourth proportional to 809,051.49, 1,213,818.75 and 240,451.47 is: 360,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,051.49 : 1,213,818.75 = 240,451.47 : x
  2. Step 2: Convert to fraction form
    809,051.49/1,213,818.75 = 240,451.47/x
  3. Step 3: Cross multiply
    809,051.49x = 1,213,818.75 × 240,451.47
  4. Step 4: Simplify right side
    809,051.49x = 291,864,502,751.06
  5. Step 5: Solve for x
    x = 291,864,502,751.06/809,051.49
  6. Step 6: Final answer
    x = 360,748.98

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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.