Home / 688,429.48-950,026.98-386,617

Finding the Fourth Proportional to 688,429.48, 950,026.98 and 386,617

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Solution

The fourth proportional to 688,429.48, 950,026.98 and 386,617 is: 533,528.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,429.48 : 950,026.98 = 386,617 : x
  2. Step 2: Convert to fraction form
    688,429.48/950,026.98 = 386,617/x
  3. Step 3: Cross multiply
    688,429.48x = 950,026.98 × 386,617
  4. Step 4: Simplify right side
    688,429.48x = 367,296,580,926.66
  5. Step 5: Solve for x
    x = 367,296,580,926.66/688,429.48
  6. Step 6: Final answer
    x = 533,528.26

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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.