Home / 782,826.34-1,080,300.32-443,360.20

Finding the Fourth Proportional to 782,826.34, 1,080,300.32 and 443,360.20

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Solution

The fourth proportional to 782,826.34, 1,080,300.32 and 443,360.20 is: 611,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,826.34 : 1,080,300.32 = 443,360.20 : x
  2. Step 2: Convert to fraction form
    782,826.34/1,080,300.32 = 443,360.20/x
  3. Step 3: Cross multiply
    782,826.34x = 1,080,300.32 × 443,360.20
  4. Step 4: Simplify right side
    782,826.34x = 478,962,165,935.26
  5. Step 5: Solve for x
    x = 478,962,165,935.26/782,826.34
  6. Step 6: Final answer
    x = 611,837.06

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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.