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Finding the Fourth Proportional to 677,480.20, 934,922.68 and 375,674.20

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Solution

The fourth proportional to 677,480.20, 934,922.68 and 375,674.20 is: 518,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,480.20 : 934,922.68 = 375,674.20 : x
  2. Step 2: Convert to fraction form
    677,480.20/934,922.68 = 375,674.20/x
  3. Step 3: Cross multiply
    677,480.20x = 934,922.68 × 375,674.20
  4. Step 4: Simplify right side
    677,480.20x = 351,226,332,909.88
  5. Step 5: Solve for x
    x = 351,226,332,909.88/677,480.20
  6. Step 6: Final answer
    x = 518,430.40

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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.