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Finding the Fourth Proportional to 679,502.72, 937,714.35 and 373,584.30

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Solution

The fourth proportional to 679,502.72, 937,714.35 and 373,584.30 is: 515,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,502.72 : 937,714.35 = 373,584.30 : x
  2. Step 2: Convert to fraction form
    679,502.72/937,714.35 = 373,584.30/x
  3. Step 3: Cross multiply
    679,502.72x = 937,714.35 × 373,584.30
  4. Step 4: Simplify right side
    679,502.72x = 350,315,359,044.71
  5. Step 5: Solve for x
    x = 350,315,359,044.71/679,502.72
  6. Step 6: Final answer
    x = 515,546.67

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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.