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Finding the Fourth Proportional to 641,804.12, 962,728.50 and 304,671.10

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Solution

The fourth proportional to 641,804.12, 962,728.50 and 304,671.10 is: 457,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,804.12 : 962,728.50 = 304,671.10 : x
  2. Step 2: Convert to fraction form
    641,804.12/962,728.50 = 304,671.10/x
  3. Step 3: Cross multiply
    641,804.12x = 962,728.50 × 304,671.10
  4. Step 4: Simplify right side
    641,804.12x = 293,315,551,096.35
  5. Step 5: Solve for x
    x = 293,315,551,096.35/641,804.12
  6. Step 6: Final answer
    x = 457,017.25

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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.