Home / 646,782.62-892,607.19-374,920.70

Finding the Fourth Proportional to 646,782.62, 892,607.19 and 374,920.70

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Solution

The fourth proportional to 646,782.62, 892,607.19 and 374,920.70 is: 517,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,782.62 : 892,607.19 = 374,920.70 : x
  2. Step 2: Convert to fraction form
    646,782.62/892,607.19 = 374,920.70/x
  3. Step 3: Cross multiply
    646,782.62x = 892,607.19 × 374,920.70
  4. Step 4: Simplify right side
    646,782.62x = 334,656,912,499.83
  5. Step 5: Solve for x
    x = 334,656,912,499.83/646,782.62
  6. Step 6: Final answer
    x = 517,417.91

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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.