Home / 943,980.70-1,302,688.26-514,259.80

Finding the Fourth Proportional to 943,980.70, 1,302,688.26 and 514,259.80

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Solution

The fourth proportional to 943,980.70, 1,302,688.26 and 514,259.80 is: 709,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,980.70 : 1,302,688.26 = 514,259.80 : x
  2. Step 2: Convert to fraction form
    943,980.70/1,302,688.26 = 514,259.80/x
  3. Step 3: Cross multiply
    943,980.70x = 1,302,688.26 × 514,259.80
  4. Step 4: Simplify right side
    943,980.70x = 669,920,204,049.95
  5. Step 5: Solve for x
    x = 669,920,204,049.95/943,980.70
  6. Step 6: Final answer
    x = 709,675.74

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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.