Home / 954,721.35-1,431,775.72-314,881.23

Finding the Fourth Proportional to 954,721.35, 1,431,775.72 and 314,881.23

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Solution

The fourth proportional to 954,721.35, 1,431,775.72 and 314,881.23 is: 472,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,721.35 : 1,431,775.72 = 314,881.23 : x
  2. Step 2: Convert to fraction form
    954,721.35/1,431,775.72 = 314,881.23/x
  3. Step 3: Cross multiply
    954,721.35x = 1,431,775.72 × 314,881.23
  4. Step 4: Simplify right side
    954,721.35x = 450,839,299,797.74
  5. Step 5: Solve for x
    x = 450,839,299,797.74/954,721.35
  6. Step 6: Final answer
    x = 472,220.82

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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.