Home / 742,783.29-1,114,588.92-401,219.84

Finding the Fourth Proportional to 742,783.29, 1,114,588.92 and 401,219.84

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Solution

The fourth proportional to 742,783.29, 1,114,588.92 and 401,219.84 is: 602,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,783.29 : 1,114,588.92 = 401,219.84 : x
  2. Step 2: Convert to fraction form
    742,783.29/1,114,588.92 = 401,219.84/x
  3. Step 3: Cross multiply
    742,783.29x = 1,114,588.92 × 401,219.84
  4. Step 4: Simplify right side
    742,783.29x = 447,195,182,575.23
  5. Step 5: Solve for x
    x = 447,195,182,575.23/742,783.29
  6. Step 6: Final answer
    x = 602,053.37

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1.5x scale

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.