Home / 847,100.10-1,270,806.06-278,513.30

Finding the Fourth Proportional to 847,100.10, 1,270,806.06 and 278,513.30

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Solution

The fourth proportional to 847,100.10, 1,270,806.06 and 278,513.30 is: 417,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,100.10 : 1,270,806.06 = 278,513.30 : x
  2. Step 2: Convert to fraction form
    847,100.10/1,270,806.06 = 278,513.30/x
  3. Step 3: Cross multiply
    847,100.10x = 1,270,806.06 × 278,513.30
  4. Step 4: Simplify right side
    847,100.10x = 353,936,389,430.60
  5. Step 5: Solve for x
    x = 353,936,389,430.60/847,100.10
  6. Step 6: Final answer
    x = 417,821.21

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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.