Home / 969,407.70-1,453,100.74-542,317.35

Finding the Fourth Proportional to 969,407.70, 1,453,100.74 and 542,317.35

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Solution

The fourth proportional to 969,407.70, 1,453,100.74 and 542,317.35 is: 812,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,407.70 : 1,453,100.74 = 542,317.35 : x
  2. Step 2: Convert to fraction form
    969,407.70/1,453,100.74 = 542,317.35/x
  3. Step 3: Cross multiply
    969,407.70x = 1,453,100.74 × 542,317.35
  4. Step 4: Simplify right side
    969,407.70x = 788,041,744,131.60
  5. Step 5: Solve for x
    x = 788,041,744,131.60/969,407.70
  6. Step 6: Final answer
    x = 812,910.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.