Home / 740,888.96-1,022,427.24-401,358.56

Finding the Fourth Proportional to 740,888.96, 1,022,427.24 and 401,358.56

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Solution

The fourth proportional to 740,888.96, 1,022,427.24 and 401,358.56 is: 553,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,888.96 : 1,022,427.24 = 401,358.56 : x
  2. Step 2: Convert to fraction form
    740,888.96/1,022,427.24 = 401,358.56/x
  3. Step 3: Cross multiply
    740,888.96x = 1,022,427.24 × 401,358.56
  4. Step 4: Simplify right side
    740,888.96x = 410,359,924,751.17
  5. Step 5: Solve for x
    x = 410,359,924,751.17/740,888.96
  6. Step 6: Final answer
    x = 553,875.07

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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.