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Finding the Fourth Proportional to 628,002.37, 866,965.04 and 425,126.53

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Solution

The fourth proportional to 628,002.37, 866,965.04 and 425,126.53 is: 586,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,002.37 : 866,965.04 = 425,126.53 : x
  2. Step 2: Convert to fraction form
    628,002.37/866,965.04 = 425,126.53/x
  3. Step 3: Cross multiply
    628,002.37x = 866,965.04 × 425,126.53
  4. Step 4: Simplify right side
    628,002.37x = 368,569,839,086.51
  5. Step 5: Solve for x
    x = 368,569,839,086.51/628,002.37
  6. Step 6: Final answer
    x = 586,892.43

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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.