Home / 983,485.60-1,475,026.80-273,335.20

Finding the Fourth Proportional to 983,485.60, 1,475,026.80 and 273,335.20

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Solution

The fourth proportional to 983,485.60, 1,475,026.80 and 273,335.20 is: 409,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,485.60 : 1,475,026.80 = 273,335.20 : x
  2. Step 2: Convert to fraction form
    983,485.60/1,475,026.80 = 273,335.20/x
  3. Step 3: Cross multiply
    983,485.60x = 1,475,026.80 × 273,335.20
  4. Step 4: Simplify right side
    983,485.60x = 403,176,745,383.36
  5. Step 5: Solve for x
    x = 403,176,745,383.36/983,485.60
  6. Step 6: Final answer
    x = 409,946.77

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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.