Home / 889,374.98-1,334,190.45-290,187.74

Finding the Fourth Proportional to 889,374.98, 1,334,190.45 and 290,187.74

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Solution

The fourth proportional to 889,374.98, 1,334,190.45 and 290,187.74 is: 435,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,374.98 : 1,334,190.45 = 290,187.74 : x
  2. Step 2: Convert to fraction form
    889,374.98/1,334,190.45 = 290,187.74/x
  3. Step 3: Cross multiply
    889,374.98x = 1,334,190.45 × 290,187.74
  4. Step 4: Simplify right side
    889,374.98x = 387,165,711,415.08
  5. Step 5: Solve for x
    x = 387,165,711,415.08/889,374.98
  6. Step 6: Final answer
    x = 435,323.37

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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.