Home / 995,142.12-1,492,946.46-396,139.88

Finding the Fourth Proportional to 995,142.12, 1,492,946.46 and 396,139.88

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Solution

The fourth proportional to 995,142.12, 1,492,946.46 and 396,139.88 is: 594,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,142.12 : 1,492,946.46 = 396,139.88 : x
  2. Step 2: Convert to fraction form
    995,142.12/1,492,946.46 = 396,139.88/x
  3. Step 3: Cross multiply
    995,142.12x = 1,492,946.46 × 396,139.88
  4. Step 4: Simplify right side
    995,142.12x = 591,415,631,510.83
  5. Step 5: Solve for x
    x = 591,415,631,510.83/995,142.12
  6. Step 6: Final answer
    x = 594,302.68

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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.