Home / 508,623.90-761,169.87-316,419.42

Finding the Fourth Proportional to 508,623.90, 761,169.87 and 316,419.42

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Solution

The fourth proportional to 508,623.90, 761,169.87 and 316,419.42 is: 473,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,623.90 : 761,169.87 = 316,419.42 : x
  2. Step 2: Convert to fraction form
    508,623.90/761,169.87 = 316,419.42/x
  3. Step 3: Cross multiply
    508,623.90x = 761,169.87 × 316,419.42
  4. Step 4: Simplify right side
    508,623.90x = 240,848,928,786.88
  5. Step 5: Solve for x
    x = 240,848,928,786.88/508,623.90
  6. Step 6: Final answer
    x = 473,530.50

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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.