Home / 479,314.04-661,511.93-275,364.59

Finding the Fourth Proportional to 479,314.04, 661,511.93 and 275,364.59

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Solution

The fourth proportional to 479,314.04, 661,511.93 and 275,364.59 is: 380,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,314.04 : 661,511.93 = 275,364.59 : x
  2. Step 2: Convert to fraction form
    479,314.04/661,511.93 = 275,364.59/x
  3. Step 3: Cross multiply
    479,314.04x = 661,511.93 × 275,364.59
  4. Step 4: Simplify right side
    479,314.04x = 182,156,956,700.18
  5. Step 5: Solve for x
    x = 182,156,956,700.18/479,314.04
  6. Step 6: Final answer
    x = 380,036.77

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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.