Home / 950,739.42-1,312,020.40-521,029.46

Finding the Fourth Proportional to 950,739.42, 1,312,020.40 and 521,029.46

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Solution

The fourth proportional to 950,739.42, 1,312,020.40 and 521,029.46 is: 719,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,739.42 : 1,312,020.40 = 521,029.46 : x
  2. Step 2: Convert to fraction form
    950,739.42/1,312,020.40 = 521,029.46/x
  3. Step 3: Cross multiply
    950,739.42x = 1,312,020.40 × 521,029.46
  4. Step 4: Simplify right side
    950,739.42x = 683,601,280,520.98
  5. Step 5: Solve for x
    x = 683,601,280,520.98/950,739.42
  6. Step 6: Final answer
    x = 719,020.66

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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.