Home / 742,783.79-1,114,589.67-401,220.34

Finding the Fourth Proportional to 742,783.79, 1,114,589.67 and 401,220.34

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Solution

The fourth proportional to 742,783.79, 1,114,589.67 and 401,220.34 is: 602,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,783.79 : 1,114,589.67 = 401,220.34 : x
  2. Step 2: Convert to fraction form
    742,783.79/1,114,589.67 = 401,220.34/x
  3. Step 3: Cross multiply
    742,783.79x = 1,114,589.67 × 401,220.34
  4. Step 4: Simplify right side
    742,783.79x = 447,196,040,784.94
  5. Step 5: Solve for x
    x = 447,196,040,784.94/742,783.79
  6. Step 6: Final answer
    x = 602,054.12

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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.