Home / 602,195.31-828,943.70-520,486.29

Finding the Fourth Proportional to 602,195.31, 828,943.70 and 520,486.29

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Solution

The fourth proportional to 602,195.31, 828,943.70 and 520,486.29 is: 716,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,195.31 : 828,943.70 = 520,486.29 : x
  2. Step 2: Convert to fraction form
    602,195.31/828,943.70 = 520,486.29/x
  3. Step 3: Cross multiply
    602,195.31x = 828,943.70 × 520,486.29
  4. Step 4: Simplify right side
    602,195.31x = 431,453,828,429.44
  5. Step 5: Solve for x
    x = 431,453,828,429.44/602,195.31
  6. Step 6: Final answer
    x = 716,468.26

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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.