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Finding the Fourth Proportional to 440,559, 607,973.04 and 239,355

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Solution

The fourth proportional to 440,559, 607,973.04 and 239,355 is: 330,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,559 : 607,973.04 = 239,355 : x
  2. Step 2: Convert to fraction form
    440,559/607,973.04 = 239,355/x
  3. Step 3: Cross multiply
    440,559x = 607,973.04 × 239,355
  4. Step 4: Simplify right side
    440,559x = 145,521,386,989.20
  5. Step 5: Solve for x
    x = 145,521,386,989.20/440,559
  6. Step 6: Final answer
    x = 330,310.78

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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.