Home / 889,531.03-1,334,378.59-290,495.31

Finding the Fourth Proportional to 889,531.03, 1,334,378.59 and 290,495.31

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Solution

The fourth proportional to 889,531.03, 1,334,378.59 and 290,495.31 is: 435,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,531.03 : 1,334,378.59 = 290,495.31 : x
  2. Step 2: Convert to fraction form
    889,531.03/1,334,378.59 = 290,495.31/x
  3. Step 3: Cross multiply
    889,531.03x = 1,334,378.59 × 290,495.31
  4. Step 4: Simplify right side
    889,531.03x = 387,630,717,370.99
  5. Step 5: Solve for x
    x = 387,630,717,370.99/889,531.03
  6. Step 6: Final answer
    x = 435,769.75

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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.