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Finding the Fourth Proportional to 670,975.04, 925,967.72 and 384,550.04

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Solution

The fourth proportional to 670,975.04, 925,967.72 and 384,550.04 is: 530,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,975.04 : 925,967.72 = 384,550.04 : x
  2. Step 2: Convert to fraction form
    670,975.04/925,967.72 = 384,550.04/x
  3. Step 3: Cross multiply
    670,975.04x = 925,967.72 × 384,550.04
  4. Step 4: Simplify right side
    670,975.04x = 356,080,923,764.71
  5. Step 5: Solve for x
    x = 356,080,923,764.71/670,975.04
  6. Step 6: Final answer
    x = 530,691.76

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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.