Home / 889,288.40-1,333,932.60-328,541.60

Finding the Fourth Proportional to 889,288.40, 1,333,932.60 and 328,541.60

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Solution

The fourth proportional to 889,288.40, 1,333,932.60 and 328,541.60 is: 492,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,288.40 : 1,333,932.60 = 328,541.60 : x
  2. Step 2: Convert to fraction form
    889,288.40/1,333,932.60 = 328,541.60/x
  3. Step 3: Cross multiply
    889,288.40x = 1,333,932.60 × 328,541.60
  4. Step 4: Simplify right side
    889,288.40x = 438,252,350,696.16
  5. Step 5: Solve for x
    x = 438,252,350,696.16/889,288.40
  6. Step 6: Final answer
    x = 492,812.40

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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.