Home / 674,265.17-930,514.32-387,785.58

Finding the Fourth Proportional to 674,265.17, 930,514.32 and 387,785.58

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Solution

The fourth proportional to 674,265.17, 930,514.32 and 387,785.58 is: 535,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,265.17 : 930,514.32 = 387,785.58 : x
  2. Step 2: Convert to fraction form
    674,265.17/930,514.32 = 387,785.58/x
  3. Step 3: Cross multiply
    674,265.17x = 930,514.32 × 387,785.58
  4. Step 4: Simplify right side
    674,265.17x = 360,840,035,279.51
  5. Step 5: Solve for x
    x = 360,840,035,279.51/674,265.17
  6. Step 6: Final answer
    x = 535,160.43

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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.