Home / 734,693.28-1,102,222.96-209,381.28

Finding the Fourth Proportional to 734,693.28, 1,102,222.96 and 209,381.28

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Solution

The fourth proportional to 734,693.28, 1,102,222.96 and 209,381.28 is: 314,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,693.28 : 1,102,222.96 = 209,381.28 : x
  2. Step 2: Convert to fraction form
    734,693.28/1,102,222.96 = 209,381.28/x
  3. Step 3: Cross multiply
    734,693.28x = 1,102,222.96 × 209,381.28
  4. Step 4: Simplify right side
    734,693.28x = 230,784,854,210.19
  5. Step 5: Solve for x
    x = 230,784,854,210.19/734,693.28
  6. Step 6: Final answer
    x = 314,124.08

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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.