Home / 847,063.12-1,270,325.23-278,313.13

Finding the Fourth Proportional to 847,063.12, 1,270,325.23 and 278,313.13

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Solution

The fourth proportional to 847,063.12, 1,270,325.23 and 278,313.13 is: 417,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,063.12 : 1,270,325.23 = 278,313.13 : x
  2. Step 2: Convert to fraction form
    847,063.12/1,270,325.23 = 278,313.13/x
  3. Step 3: Cross multiply
    847,063.12x = 1,270,325.23 × 278,313.13
  4. Step 4: Simplify right side
    847,063.12x = 353,548,190,879.27
  5. Step 5: Solve for x
    x = 353,548,190,879.27/847,063.12
  6. Step 6: Final answer
    x = 417,381.16

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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.