Home / 847,098.09-1,270,803.06-278,511.30

Finding the Fourth Proportional to 847,098.09, 1,270,803.06 and 278,511.30

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Solution

The fourth proportional to 847,098.09, 1,270,803.06 and 278,511.30 is: 417,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,098.09 : 1,270,803.06 = 278,511.30 : x
  2. Step 2: Convert to fraction form
    847,098.09/1,270,803.06 = 278,511.30/x
  3. Step 3: Cross multiply
    847,098.09x = 1,270,803.06 × 278,511.30
  4. Step 4: Simplify right side
    847,098.09x = 353,933,012,284.58
  5. Step 5: Solve for x
    x = 353,933,012,284.58/847,098.09
  6. Step 6: Final answer
    x = 417,818.22

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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.