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Finding the Fourth Proportional to 608,777.12, 839,922 and 367,133.60

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Solution

The fourth proportional to 608,777.12, 839,922 and 367,133.60 is: 506,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,777.12 : 839,922 = 367,133.60 : x
  2. Step 2: Convert to fraction form
    608,777.12/839,922 = 367,133.60/x
  3. Step 3: Cross multiply
    608,777.12x = 839,922 × 367,133.60
  4. Step 4: Simplify right side
    608,777.12x = 308,363,587,579.20
  5. Step 5: Solve for x
    x = 308,363,587,579.20/608,777.12
  6. Step 6: Final answer
    x = 506,529.53

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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.