Home / 598,155.39-824,987.70-383,315.43

Finding the Fourth Proportional to 598,155.39, 824,987.70 and 383,315.43

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Solution

The fourth proportional to 598,155.39, 824,987.70 and 383,315.43 is: 528,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,155.39 : 824,987.70 = 383,315.43 : x
  2. Step 2: Convert to fraction form
    598,155.39/824,987.70 = 383,315.43/x
  3. Step 3: Cross multiply
    598,155.39x = 824,987.70 × 383,315.43
  4. Step 4: Simplify right side
    598,155.39x = 316,230,514,970.21
  5. Step 5: Solve for x
    x = 316,230,514,970.21/598,155.39
  6. Step 6: Final answer
    x = 528,676.19

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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.