Home / 784,825.56-1,083,266.37-462,750.21

Finding the Fourth Proportional to 784,825.56, 1,083,266.37 and 462,750.21

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Solution

The fourth proportional to 784,825.56, 1,083,266.37 and 462,750.21 is: 638,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,825.56 : 1,083,266.37 = 462,750.21 : x
  2. Step 2: Convert to fraction form
    784,825.56/1,083,266.37 = 462,750.21/x
  3. Step 3: Cross multiply
    784,825.56x = 1,083,266.37 × 462,750.21
  4. Step 4: Simplify right side
    784,825.56x = 501,281,740,203.44
  5. Step 5: Solve for x
    x = 501,281,740,203.44/784,825.56
  6. Step 6: Final answer
    x = 638,717.40

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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.