Home / 440,315.46-607,426.70-297,121.64

Finding the Fourth Proportional to 440,315.46, 607,426.70 and 297,121.64

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Solution

The fourth proportional to 440,315.46, 607,426.70 and 297,121.64 is: 409,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,315.46 : 607,426.70 = 297,121.64 : x
  2. Step 2: Convert to fraction form
    440,315.46/607,426.70 = 297,121.64/x
  3. Step 3: Cross multiply
    440,315.46x = 607,426.70 × 297,121.64
  4. Step 4: Simplify right side
    440,315.46x = 180,479,612,761.05
  5. Step 5: Solve for x
    x = 180,479,612,761.05/440,315.46
  6. Step 6: Final answer
    x = 409,887.07

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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.