Home / 743,366.44-1,114,427.10-518,065.96

Finding the Fourth Proportional to 743,366.44, 1,114,427.10 and 518,065.96

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Solution

The fourth proportional to 743,366.44, 1,114,427.10 and 518,065.96 is: 776,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,366.44 : 1,114,427.10 = 518,065.96 : x
  2. Step 2: Convert to fraction form
    743,366.44/1,114,427.10 = 518,065.96/x
  3. Step 3: Cross multiply
    743,366.44x = 1,114,427.10 × 518,065.96
  4. Step 4: Simplify right side
    743,366.44x = 577,346,745,411.52
  5. Step 5: Solve for x
    x = 577,346,745,411.52/743,366.44
  6. Step 6: Final answer
    x = 776,665.07

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Double scale
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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.