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Finding the Fourth Proportional to 677,435.94, 934,903.62 and 375,629.94

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Solution

The fourth proportional to 677,435.94, 934,903.62 and 375,629.94 is: 518,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,435.94 : 934,903.62 = 375,629.94 : x
  2. Step 2: Convert to fraction form
    677,435.94/934,903.62 = 375,629.94/x
  3. Step 3: Cross multiply
    677,435.94x = 934,903.62 × 375,629.94
  4. Step 4: Simplify right side
    677,435.94x = 351,177,790,686.38
  5. Step 5: Solve for x
    x = 351,177,790,686.38/677,435.94
  6. Step 6: Final answer
    x = 518,392.62

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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.