Home / 889,287.40-1,333,931.10-328,540.60

Finding the Fourth Proportional to 889,287.40, 1,333,931.10 and 328,540.60

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Solution

The fourth proportional to 889,287.40, 1,333,931.10 and 328,540.60 is: 492,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,287.40 : 1,333,931.10 = 328,540.60 : x
  2. Step 2: Convert to fraction form
    889,287.40/1,333,931.10 = 328,540.60/x
  3. Step 3: Cross multiply
    889,287.40x = 1,333,931.10 × 328,540.60
  4. Step 4: Simplify right side
    889,287.40x = 438,250,523,952.66
  5. Step 5: Solve for x
    x = 438,250,523,952.66/889,287.40
  6. Step 6: Final answer
    x = 492,810.90

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Similar ratio
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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.