Home / 742,778.78-1,025,039.03-436,868.06

Finding the Fourth Proportional to 742,778.78, 1,025,039.03 and 436,868.06

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Solution

The fourth proportional to 742,778.78, 1,025,039.03 and 436,868.06 is: 602,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,778.78 : 1,025,039.03 = 436,868.06 : x
  2. Step 2: Convert to fraction form
    742,778.78/1,025,039.03 = 436,868.06/x
  3. Step 3: Cross multiply
    742,778.78x = 1,025,039.03 × 436,868.06
  4. Step 4: Simplify right side
    742,778.78x = 447,806,805,150.85
  5. Step 5: Solve for x
    x = 447,806,805,150.85/742,778.78
  6. Step 6: Final answer
    x = 602,880.45

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1.5x scale

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.