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Finding the Fourth Proportional to 628,304.84, 942,643.02 and 362,256.20

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Solution

The fourth proportional to 628,304.84, 942,643.02 and 362,256.20 is: 543,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,304.84 : 942,643.02 = 362,256.20 : x
  2. Step 2: Convert to fraction form
    628,304.84/942,643.02 = 362,256.20/x
  3. Step 3: Cross multiply
    628,304.84x = 942,643.02 × 362,256.20
  4. Step 4: Simplify right side
    628,304.84x = 341,478,278,381.72
  5. Step 5: Solve for x
    x = 341,478,278,381.72/628,304.84
  6. Step 6: Final answer
    x = 543,491.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.