Home / 671,837.08-1,006,394.80-311,500.48

Finding the Fourth Proportional to 671,837.08, 1,006,394.80 and 311,500.48

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Solution

The fourth proportional to 671,837.08, 1,006,394.80 and 311,500.48 is: 466,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,837.08 : 1,006,394.80 = 311,500.48 : x
  2. Step 2: Convert to fraction form
    671,837.08/1,006,394.80 = 311,500.48/x
  3. Step 3: Cross multiply
    671,837.08x = 1,006,394.80 × 311,500.48
  4. Step 4: Simplify right side
    671,837.08x = 313,492,463,269.50
  5. Step 5: Solve for x
    x = 313,492,463,269.50/671,837.08
  6. Step 6: Final answer
    x = 466,619.77

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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.