Home / 670,732.60-1,007,265.30-355,804.60

Finding the Fourth Proportional to 670,732.60, 1,007,265.30 and 355,804.60

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Solution

The fourth proportional to 670,732.60, 1,007,265.30 and 355,804.60 is: 534,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,732.60 : 1,007,265.30 = 355,804.60 : x
  2. Step 2: Convert to fraction form
    670,732.60/1,007,265.30 = 355,804.60/x
  3. Step 3: Cross multiply
    670,732.60x = 1,007,265.30 × 355,804.60
  4. Step 4: Simplify right side
    670,732.60x = 358,389,627,160.38
  5. Step 5: Solve for x
    x = 358,389,627,160.38/670,732.60
  6. Step 6: Final answer
    x = 534,325.64

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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.