Home / 889,984.49-1,334,985.11-216,071.72

Finding the Fourth Proportional to 889,984.49, 1,334,985.11 and 216,071.72

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Solution

The fourth proportional to 889,984.49, 1,334,985.11 and 216,071.72 is: 324,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,984.49 : 1,334,985.11 = 216,071.72 : x
  2. Step 2: Convert to fraction form
    889,984.49/1,334,985.11 = 216,071.72/x
  3. Step 3: Cross multiply
    889,984.49x = 1,334,985.11 × 216,071.72
  4. Step 4: Simplify right side
    889,984.49x = 288,452,521,136.81
  5. Step 5: Solve for x
    x = 288,452,521,136.81/889,984.49
  6. Step 6: Final answer
    x = 324,109.60

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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.