Home / 648,335.08-894,653.11-376,359.18

Finding the Fourth Proportional to 648,335.08, 894,653.11 and 376,359.18

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Solution

The fourth proportional to 648,335.08, 894,653.11 and 376,359.18 is: 519,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,335.08 : 894,653.11 = 376,359.18 : x
  2. Step 2: Convert to fraction form
    648,335.08/894,653.11 = 376,359.18/x
  3. Step 3: Cross multiply
    648,335.08x = 894,653.11 × 376,359.18
  4. Step 4: Simplify right side
    648,335.08x = 336,710,910,864.05
  5. Step 5: Solve for x
    x = 336,710,910,864.05/648,335.08
  6. Step 6: Final answer
    x = 519,347.05

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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.