Home / 768,475.32-1,152,698.26-347,457.08

Finding the Fourth Proportional to 768,475.32, 1,152,698.26 and 347,457.08

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Solution

The fourth proportional to 768,475.32, 1,152,698.26 and 347,457.08 is: 521,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,475.32 : 1,152,698.26 = 347,457.08 : x
  2. Step 2: Convert to fraction form
    768,475.32/1,152,698.26 = 347,457.08/x
  3. Step 3: Cross multiply
    768,475.32x = 1,152,698.26 × 347,457.08
  4. Step 4: Simplify right side
    768,475.32x = 400,513,171,540.68
  5. Step 5: Solve for x
    x = 400,513,171,540.68/768,475.32
  6. Step 6: Final answer
    x = 521,178.96

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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.