Home / 872,955.51-1,309,488.60-273,940.30

Finding the Fourth Proportional to 872,955.51, 1,309,488.60 and 273,940.30

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Solution

The fourth proportional to 872,955.51, 1,309,488.60 and 273,940.30 is: 410,927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,955.51 : 1,309,488.60 = 273,940.30 : x
  2. Step 2: Convert to fraction form
    872,955.51/1,309,488.60 = 273,940.30/x
  3. Step 3: Cross multiply
    872,955.51x = 1,309,488.60 × 273,940.30
  4. Step 4: Simplify right side
    872,955.51x = 358,721,702,594.72
  5. Step 5: Solve for x
    x = 358,721,702,594.72/872,955.51
  6. Step 6: Final answer
    x = 410,927.82

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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.