Home / 674,291.63-930,549.18-387,811.37

Finding the Fourth Proportional to 674,291.63, 930,549.18 and 387,811.37

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Solution

The fourth proportional to 674,291.63, 930,549.18 and 387,811.37 is: 535,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,291.63 : 930,549.18 = 387,811.37 : x
  2. Step 2: Convert to fraction form
    674,291.63/930,549.18 = 387,811.37/x
  3. Step 3: Cross multiply
    674,291.63x = 930,549.18 × 387,811.37
  4. Step 4: Simplify right side
    674,291.63x = 360,877,547,695.43
  5. Step 5: Solve for x
    x = 360,877,547,695.43/674,291.63
  6. Step 6: Final answer
    x = 535,195.06

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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.