Home / 440,344.55-607,678.58-239,140.55

Finding the Fourth Proportional to 440,344.55, 607,678.58 and 239,140.55

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Solution

The fourth proportional to 440,344.55, 607,678.58 and 239,140.55 is: 330,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,344.55 : 607,678.58 = 239,140.55 : x
  2. Step 2: Convert to fraction form
    440,344.55/607,678.58 = 239,140.55/x
  3. Step 3: Cross multiply
    440,344.55x = 607,678.58 × 239,140.55
  4. Step 4: Simplify right side
    440,344.55x = 145,320,587,403.88
  5. Step 5: Solve for x
    x = 145,320,587,403.88/440,344.55
  6. Step 6: Final answer
    x = 330,015.64

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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.