Home / 639,365.32-958,741.98-302,124.52

Finding the Fourth Proportional to 639,365.32, 958,741.98 and 302,124.52

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Solution

The fourth proportional to 639,365.32, 958,741.98 and 302,124.52 is: 453,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,365.32 : 958,741.98 = 302,124.52 : x
  2. Step 2: Convert to fraction form
    639,365.32/958,741.98 = 302,124.52/x
  3. Step 3: Cross multiply
    639,365.32x = 958,741.98 × 302,124.52
  4. Step 4: Simplify right side
    639,365.32x = 289,659,460,511.35
  5. Step 5: Solve for x
    x = 289,659,460,511.35/639,365.32
  6. Step 6: Final answer
    x = 453,042.18

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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.