Home / 803,963.60-1,205,945.40-384,059.60

Finding the Fourth Proportional to 803,963.60, 1,205,945.40 and 384,059.60

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Solution

The fourth proportional to 803,963.60, 1,205,945.40 and 384,059.60 is: 576,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,963.60 : 1,205,945.40 = 384,059.60 : x
  2. Step 2: Convert to fraction form
    803,963.60/1,205,945.40 = 384,059.60/x
  3. Step 3: Cross multiply
    803,963.60x = 1,205,945.40 × 384,059.60
  4. Step 4: Simplify right side
    803,963.60x = 463,154,907,945.84
  5. Step 5: Solve for x
    x = 463,154,907,945.84/803,963.60
  6. Step 6: Final answer
    x = 576,089.40

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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.