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Finding the Fourth Proportional to 677,373, 934,807.14 and 375,567

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Solution

The fourth proportional to 677,373, 934,807.14 and 375,567 is: 518,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,373 : 934,807.14 = 375,567 : x
  2. Step 2: Convert to fraction form
    677,373/934,807.14 = 375,567/x
  3. Step 3: Cross multiply
    677,373x = 934,807.14 × 375,567
  4. Step 4: Simplify right side
    677,373x = 351,082,713,148.38
  5. Step 5: Solve for x
    x = 351,082,713,148.38/677,373
  6. Step 6: Final answer
    x = 518,300.42

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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.