Home / 874,835.28-1,312,252.94-209,987.28

Finding the Fourth Proportional to 874,835.28, 1,312,252.94 and 209,987.28

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Solution

The fourth proportional to 874,835.28, 1,312,252.94 and 209,987.28 is: 314,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,835.28 : 1,312,252.94 = 209,987.28 : x
  2. Step 2: Convert to fraction form
    874,835.28/1,312,252.94 = 209,987.28/x
  3. Step 3: Cross multiply
    874,835.28x = 1,312,252.94 × 209,987.28
  4. Step 4: Simplify right side
    874,835.28x = 275,556,428,823.24
  5. Step 5: Solve for x
    x = 275,556,428,823.24/874,835.28
  6. Step 6: Final answer
    x = 314,980.93

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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.