Home / 889,986.48-1,334,988.09-216,073.71

Finding the Fourth Proportional to 889,986.48, 1,334,988.09 and 216,073.71

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Solution

The fourth proportional to 889,986.48, 1,334,988.09 and 216,073.71 is: 324,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,986.48 : 1,334,988.09 = 216,073.71 : x
  2. Step 2: Convert to fraction form
    889,986.48/1,334,988.09 = 216,073.71/x
  3. Step 3: Cross multiply
    889,986.48x = 1,334,988.09 × 216,073.71
  4. Step 4: Simplify right side
    889,986.48x = 288,455,829,412.11
  5. Step 5: Solve for x
    x = 288,455,829,412.11/889,986.48
  6. Step 6: Final answer
    x = 324,112.60

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Double scale
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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.