Home / 782,955.82-1,080,461.23-456,248.40

Finding the Fourth Proportional to 782,955.82, 1,080,461.23 and 456,248.40

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Solution

The fourth proportional to 782,955.82, 1,080,461.23 and 456,248.40 is: 629,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,955.82 : 1,080,461.23 = 456,248.40 : x
  2. Step 2: Convert to fraction form
    782,955.82/1,080,461.23 = 456,248.40/x
  3. Step 3: Cross multiply
    782,955.82x = 1,080,461.23 × 456,248.40
  4. Step 4: Simplify right side
    782,955.82x = 492,958,702,257.18
  5. Step 5: Solve for x
    x = 492,958,702,257.18/782,955.82
  6. Step 6: Final answer
    x = 629,612.41

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Double scale
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1.5x scale

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.