Home / 734,200.56-1,013,199.57-428,488.11

Finding the Fourth Proportional to 734,200.56, 1,013,199.57 and 428,488.11

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Solution

The fourth proportional to 734,200.56, 1,013,199.57 and 428,488.11 is: 591,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,200.56 : 1,013,199.57 = 428,488.11 : x
  2. Step 2: Convert to fraction form
    734,200.56/1,013,199.57 = 428,488.11/x
  3. Step 3: Cross multiply
    734,200.56x = 1,013,199.57 × 428,488.11
  4. Step 4: Simplify right side
    734,200.56x = 434,143,968,802.11
  5. Step 5: Solve for x
    x = 434,143,968,802.11/734,200.56
  6. Step 6: Final answer
    x = 591,315.22

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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.