Home / 950,741.72-1,312,033.90-521,012.62

Finding the Fourth Proportional to 950,741.72, 1,312,033.90 and 521,012.62

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Solution

The fourth proportional to 950,741.72, 1,312,033.90 and 521,012.62 is: 719,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,741.72 : 1,312,033.90 = 521,012.62 : x
  2. Step 2: Convert to fraction form
    950,741.72/1,312,033.90 = 521,012.62/x
  3. Step 3: Cross multiply
    950,741.72x = 1,312,033.90 × 521,012.62
  4. Step 4: Simplify right side
    950,741.72x = 683,586,219,767.82
  5. Step 5: Solve for x
    x = 683,586,219,767.82/950,741.72
  6. Step 6: Final answer
    x = 719,003.07

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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.