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Finding the Fourth Proportional to 440,320.03, 607,643.97 and 246,728.15

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Solution

The fourth proportional to 440,320.03, 607,643.97 and 246,728.15 is: 340,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,320.03 : 607,643.97 = 246,728.15 : x
  2. Step 2: Convert to fraction form
    440,320.03/607,643.97 = 246,728.15/x
  3. Step 3: Cross multiply
    440,320.03x = 607,643.97 × 246,728.15
  4. Step 4: Simplify right side
    440,320.03x = 149,922,872,576.76
  5. Step 5: Solve for x
    x = 149,922,872,576.76/440,320.03
  6. Step 6: Final answer
    x = 340,486.15

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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.