Home / 734,811.18-1,013,969.44-412,447.38

Finding the Fourth Proportional to 734,811.18, 1,013,969.44 and 412,447.38

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Solution

The fourth proportional to 734,811.18, 1,013,969.44 and 412,447.38 is: 569,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,811.18 : 1,013,969.44 = 412,447.38 : x
  2. Step 2: Convert to fraction form
    734,811.18/1,013,969.44 = 412,447.38/x
  3. Step 3: Cross multiply
    734,811.18x = 1,013,969.44 × 412,447.38
  4. Step 4: Simplify right side
    734,811.18x = 418,209,038,928.07
  5. Step 5: Solve for x
    x = 418,209,038,928.07/734,811.18
  6. Step 6: Final answer
    x = 569,138.10

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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.