Home / 950,148.50-1,311,188.72-514,562.31

Finding the Fourth Proportional to 950,148.50, 1,311,188.72 and 514,562.31

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Solution

The fourth proportional to 950,148.50, 1,311,188.72 and 514,562.31 is: 710,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,148.50 : 1,311,188.72 = 514,562.31 : x
  2. Step 2: Convert to fraction form
    950,148.50/1,311,188.72 = 514,562.31/x
  3. Step 3: Cross multiply
    950,148.50x = 1,311,188.72 × 514,562.31
  4. Step 4: Simplify right side
    950,148.50x = 674,688,296,609.14
  5. Step 5: Solve for x
    x = 674,688,296,609.14/950,148.50
  6. Step 6: Final answer
    x = 710,087.21

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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.