Home / 626,974.32-865,224.36-340,494.48

Finding the Fourth Proportional to 626,974.32, 865,224.36 and 340,494.48

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Solution

The fourth proportional to 626,974.32, 865,224.36 and 340,494.48 is: 469,882.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,974.32 : 865,224.36 = 340,494.48 : x
  2. Step 2: Convert to fraction form
    626,974.32/865,224.36 = 340,494.48/x
  3. Step 3: Cross multiply
    626,974.32x = 865,224.36 × 340,494.48
  4. Step 4: Simplify right side
    626,974.32x = 294,604,118,541.53
  5. Step 5: Solve for x
    x = 294,604,118,541.53/626,974.32
  6. Step 6: Final answer
    x = 469,882.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.