Home / 734,791.49-1,102,256.81-285,547.01

Finding the Fourth Proportional to 734,791.49, 1,102,256.81 and 285,547.01

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Solution

The fourth proportional to 734,791.49, 1,102,256.81 and 285,547.01 is: 428,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,791.49 : 1,102,256.81 = 285,547.01 : x
  2. Step 2: Convert to fraction form
    734,791.49/1,102,256.81 = 285,547.01/x
  3. Step 3: Cross multiply
    734,791.49x = 1,102,256.81 × 285,547.01
  4. Step 4: Simplify right side
    734,791.49x = 314,746,129,408.62
  5. Step 5: Solve for x
    x = 314,746,129,408.62/734,791.49
  6. Step 6: Final answer
    x = 428,347.54

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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.