Home / 890,235.40-1,333,538.70-552,238.60

Finding the Fourth Proportional to 890,235.40, 1,333,538.70 and 552,238.60

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Solution

The fourth proportional to 890,235.40, 1,333,538.70 and 552,238.60 is: 827,232.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,235.40 : 1,333,538.70 = 552,238.60 : x
  2. Step 2: Convert to fraction form
    890,235.40/1,333,538.70 = 552,238.60/x
  3. Step 3: Cross multiply
    890,235.40x = 1,333,538.70 × 552,238.60
  4. Step 4: Simplify right side
    890,235.40x = 736,431,544,733.82
  5. Step 5: Solve for x
    x = 736,431,544,733.82/890,235.40
  6. Step 6: Final answer
    x = 827,232.38

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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.