Home / 734,124.60-1,101,834.90-434,230.20

Finding the Fourth Proportional to 734,124.60, 1,101,834.90 and 434,230.20

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Solution

The fourth proportional to 734,124.60, 1,101,834.90 and 434,230.20 is: 651,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,124.60 : 1,101,834.90 = 434,230.20 : x
  2. Step 2: Convert to fraction form
    734,124.60/1,101,834.90 = 434,230.20/x
  3. Step 3: Cross multiply
    734,124.60x = 1,101,834.90 × 434,230.20
  4. Step 4: Simplify right side
    734,124.60x = 478,449,988,993.98
  5. Step 5: Solve for x
    x = 478,449,988,993.98/734,124.60
  6. Step 6: Final answer
    x = 651,728.59

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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.