Home / 347,623.20-521,434.80-341,718.30

Finding the Fourth Proportional to 347,623.20, 521,434.80 and 341,718.30

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Solution

The fourth proportional to 347,623.20, 521,434.80 and 341,718.30 is: 512,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,623.20 : 521,434.80 = 341,718.30 : x
  2. Step 2: Convert to fraction form
    347,623.20/521,434.80 = 341,718.30/x
  3. Step 3: Cross multiply
    347,623.20x = 521,434.80 × 341,718.30
  4. Step 4: Simplify right side
    347,623.20x = 178,183,813,416.84
  5. Step 5: Solve for x
    x = 178,183,813,416.84/347,623.20
  6. Step 6: Final answer
    x = 512,577.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.