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Finding the Fourth Proportional to 679,335.72, 937,499.04 and 373,427.88

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Solution

The fourth proportional to 679,335.72, 937,499.04 and 373,427.88 is: 515,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,335.72 : 937,499.04 = 373,427.88 : x
  2. Step 2: Convert to fraction form
    679,335.72/937,499.04 = 373,427.88/x
  3. Step 3: Cross multiply
    679,335.72x = 937,499.04 × 373,427.88
  4. Step 4: Simplify right side
    679,335.72x = 350,088,279,009.24
  5. Step 5: Solve for x
    x = 350,088,279,009.24/679,335.72
  6. Step 6: Final answer
    x = 515,339.13

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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.