Home / 734,862.17-1,102,009.86-285,523.89

Finding the Fourth Proportional to 734,862.17, 1,102,009.86 and 285,523.89

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Solution

The fourth proportional to 734,862.17, 1,102,009.86 and 285,523.89 is: 428,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,862.17 : 1,102,009.86 = 285,523.89 : x
  2. Step 2: Convert to fraction form
    734,862.17/1,102,009.86 = 285,523.89/x
  3. Step 3: Cross multiply
    734,862.17x = 1,102,009.86 × 285,523.89
  4. Step 4: Simplify right side
    734,862.17x = 314,650,137,913.02
  5. Step 5: Solve for x
    x = 314,650,137,913.02/734,862.17
  6. Step 6: Final answer
    x = 428,175.72

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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.