Home / 980,065.89-1,470,154.23-348,979.77

Finding the Fourth Proportional to 980,065.89, 1,470,154.23 and 348,979.77

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Solution

The fourth proportional to 980,065.89, 1,470,154.23 and 348,979.77 is: 523,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,065.89 : 1,470,154.23 = 348,979.77 : x
  2. Step 2: Convert to fraction form
    980,065.89/1,470,154.23 = 348,979.77/x
  3. Step 3: Cross multiply
    980,065.89x = 1,470,154.23 × 348,979.77
  4. Step 4: Simplify right side
    980,065.89x = 513,054,085,049.93
  5. Step 5: Solve for x
    x = 513,054,085,049.93/980,065.89
  6. Step 6: Final answer
    x = 523,489.38

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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.