Home / 734,721.64-1,101,029.98-418,525.64

Finding the Fourth Proportional to 734,721.64, 1,101,029.98 and 418,525.64

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Solution

The fourth proportional to 734,721.64, 1,101,029.98 and 418,525.64 is: 627,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,721.64 : 1,101,029.98 = 418,525.64 : x
  2. Step 2: Convert to fraction form
    734,721.64/1,101,029.98 = 418,525.64/x
  3. Step 3: Cross multiply
    734,721.64x = 1,101,029.98 × 418,525.64
  4. Step 4: Simplify right side
    734,721.64x = 460,809,277,038.69
  5. Step 5: Solve for x
    x = 460,809,277,038.69/734,721.64
  6. Step 6: Final answer
    x = 627,188.93

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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.