Home / 976,457.03-1,346,611.43-669,992.72

Finding the Fourth Proportional to 976,457.03, 1,346,611.43 and 669,992.72

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Solution

The fourth proportional to 976,457.03, 1,346,611.43 and 669,992.72 is: 923,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,457.03 : 1,346,611.43 = 669,992.72 : x
  2. Step 2: Convert to fraction form
    976,457.03/1,346,611.43 = 669,992.72/x
  3. Step 3: Cross multiply
    976,457.03x = 1,346,611.43 × 669,992.72
  4. Step 4: Simplify right side
    976,457.03x = 902,219,849,710.71
  5. Step 5: Solve for x
    x = 902,219,849,710.71/976,457.03
  6. Step 6: Final answer
    x = 923,972.92

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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.