Home / 646,654.11-892,301.76-374,717.04

Finding the Fourth Proportional to 646,654.11, 892,301.76 and 374,717.04

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Solution

The fourth proportional to 646,654.11, 892,301.76 and 374,717.04 is: 517,062.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,654.11 : 892,301.76 = 374,717.04 : x
  2. Step 2: Convert to fraction form
    646,654.11/892,301.76 = 374,717.04/x
  3. Step 3: Cross multiply
    646,654.11x = 892,301.76 × 374,717.04
  4. Step 4: Simplify right side
    646,654.11x = 334,360,674,293.99
  5. Step 5: Solve for x
    x = 334,360,674,293.99/646,654.11
  6. Step 6: Final answer
    x = 517,062.63

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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.