Home / 885,470.32-1,327,744.26-316,632.16

Finding the Fourth Proportional to 885,470.32, 1,327,744.26 and 316,632.16

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Solution

The fourth proportional to 885,470.32, 1,327,744.26 and 316,632.16 is: 474,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,470.32 : 1,327,744.26 = 316,632.16 : x
  2. Step 2: Convert to fraction form
    885,470.32/1,327,744.26 = 316,632.16/x
  3. Step 3: Cross multiply
    885,470.32x = 1,327,744.26 × 316,632.16
  4. Step 4: Simplify right side
    885,470.32x = 420,406,532,971.40
  5. Step 5: Solve for x
    x = 420,406,532,971.40/885,470.32
  6. Step 6: Final answer
    x = 474,783.31

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1.5x scale

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.