Home / 950,586.78-1,311,319.08-644,559.60

Finding the Fourth Proportional to 950,586.78, 1,311,319.08 and 644,559.60

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Solution

The fourth proportional to 950,586.78, 1,311,319.08 and 644,559.60 is: 889,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,586.78 : 1,311,319.08 = 644,559.60 : x
  2. Step 2: Convert to fraction form
    950,586.78/1,311,319.08 = 644,559.60/x
  3. Step 3: Cross multiply
    950,586.78x = 1,311,319.08 × 644,559.60
  4. Step 4: Simplify right side
    950,586.78x = 845,223,301,677.17
  5. Step 5: Solve for x
    x = 845,223,301,677.17/950,586.78
  6. Step 6: Final answer
    x = 889,159.54

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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.