Home / 874,514.97-1,311,948.81-369,076.50

Finding the Fourth Proportional to 874,514.97, 1,311,948.81 and 369,076.50

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Solution

The fourth proportional to 874,514.97, 1,311,948.81 and 369,076.50 is: 553,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,514.97 : 1,311,948.81 = 369,076.50 : x
  2. Step 2: Convert to fraction form
    874,514.97/1,311,948.81 = 369,076.50/x
  3. Step 3: Cross multiply
    874,514.97x = 1,311,948.81 × 369,076.50
  4. Step 4: Simplify right side
    874,514.97x = 484,209,474,973.97
  5. Step 5: Solve for x
    x = 484,209,474,973.97/874,514.97
  6. Step 6: Final answer
    x = 553,689.18

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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.