Home / 681,412.80-1,022,316.48-281,979.84

Finding the Fourth Proportional to 681,412.80, 1,022,316.48 and 281,979.84

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Solution

The fourth proportional to 681,412.80, 1,022,316.48 and 281,979.84 is: 423,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,412.80 : 1,022,316.48 = 281,979.84 : x
  2. Step 2: Convert to fraction form
    681,412.80/1,022,316.48 = 281,979.84/x
  3. Step 3: Cross multiply
    681,412.80x = 1,022,316.48 × 281,979.84
  4. Step 4: Simplify right side
    681,412.80x = 288,272,637,459.76
  5. Step 5: Solve for x
    x = 288,272,637,459.76/681,412.80
  6. Step 6: Final answer
    x = 423,051.40

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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.