Home / 752,079.51-1,037,877.75-407,915.91

Finding the Fourth Proportional to 752,079.51, 1,037,877.75 and 407,915.91

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Solution

The fourth proportional to 752,079.51, 1,037,877.75 and 407,915.91 is: 562,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,079.51 : 1,037,877.75 = 407,915.91 : x
  2. Step 2: Convert to fraction form
    752,079.51/1,037,877.75 = 407,915.91/x
  3. Step 3: Cross multiply
    752,079.51x = 1,037,877.75 × 407,915.91
  4. Step 4: Simplify right side
    752,079.51x = 423,366,846,860.00
  5. Step 5: Solve for x
    x = 423,366,846,860.00/752,079.51
  6. Step 6: Final answer
    x = 562,928.31

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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.