Home / 836,478.42-1,254,012.30-362,807.04

Finding the Fourth Proportional to 836,478.42, 1,254,012.30 and 362,807.04

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Solution

The fourth proportional to 836,478.42, 1,254,012.30 and 362,807.04 is: 543,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,478.42 : 1,254,012.30 = 362,807.04 : x
  2. Step 2: Convert to fraction form
    836,478.42/1,254,012.30 = 362,807.04/x
  3. Step 3: Cross multiply
    836,478.42x = 1,254,012.30 × 362,807.04
  4. Step 4: Simplify right side
    836,478.42x = 454,964,490,686.59
  5. Step 5: Solve for x
    x = 454,964,490,686.59/836,478.42
  6. Step 6: Final answer
    x = 543,904.64

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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.