Home / 931,057.72-1,397,199.03-510,628.84

Finding the Fourth Proportional to 931,057.72, 1,397,199.03 and 510,628.84

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Solution

The fourth proportional to 931,057.72, 1,397,199.03 and 510,628.84 is: 766,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,057.72 : 1,397,199.03 = 510,628.84 : x
  2. Step 2: Convert to fraction form
    931,057.72/1,397,199.03 = 510,628.84/x
  3. Step 3: Cross multiply
    931,057.72x = 1,397,199.03 × 510,628.84
  4. Step 4: Simplify right side
    931,057.72x = 713,450,119,938.03
  5. Step 5: Solve for x
    x = 713,450,119,938.03/931,057.72
  6. Step 6: Final answer
    x = 766,279.15

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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.