Home / 679,378.59-937,554.09-373,467.86

Finding the Fourth Proportional to 679,378.59, 937,554.09 and 373,467.86

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Solution

The fourth proportional to 679,378.59, 937,554.09 and 373,467.86 is: 515,392.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,378.59 : 937,554.09 = 373,467.86 : x
  2. Step 2: Convert to fraction form
    679,378.59/937,554.09 = 373,467.86/x
  3. Step 3: Cross multiply
    679,378.59x = 937,554.09 × 373,467.86
  4. Step 4: Simplify right side
    679,378.59x = 350,146,319,626.55
  5. Step 5: Solve for x
    x = 350,146,319,626.55/679,378.59
  6. Step 6: Final answer
    x = 515,392.04

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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.