Home / 889,458.72-1,227,430.31-496,994.82

Finding the Fourth Proportional to 889,458.72, 1,227,430.31 and 496,994.82

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Solution

The fourth proportional to 889,458.72, 1,227,430.31 and 496,994.82 is: 685,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,458.72 : 1,227,430.31 = 496,994.82 : x
  2. Step 2: Convert to fraction form
    889,458.72/1,227,430.31 = 496,994.82/x
  3. Step 3: Cross multiply
    889,458.72x = 1,227,430.31 × 496,994.82
  4. Step 4: Simplify right side
    889,458.72x = 610,026,503,496.02
  5. Step 5: Solve for x
    x = 610,026,503,496.02/889,458.72
  6. Step 6: Final answer
    x = 685,840.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.