Home / 917,745.28-1,376,645.06-438,023.63

Finding the Fourth Proportional to 917,745.28, 1,376,645.06 and 438,023.63

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Solution

The fourth proportional to 917,745.28, 1,376,645.06 and 438,023.63 is: 657,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,745.28 : 1,376,645.06 = 438,023.63 : x
  2. Step 2: Convert to fraction form
    917,745.28/1,376,645.06 = 438,023.63/x
  3. Step 3: Cross multiply
    917,745.28x = 1,376,645.06 × 438,023.63
  4. Step 4: Simplify right side
    917,745.28x = 603,003,070,939.44
  5. Step 5: Solve for x
    x = 603,003,070,939.44/917,745.28
  6. Step 6: Final answer
    x = 657,048.41

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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.