Home / 847,647.84-1,270,289.52-637,039.20

Finding the Fourth Proportional to 847,647.84, 1,270,289.52 and 637,039.20

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Solution

The fourth proportional to 847,647.84, 1,270,289.52 and 637,039.20 is: 954,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,647.84 : 1,270,289.52 = 637,039.20 : x
  2. Step 2: Convert to fraction form
    847,647.84/1,270,289.52 = 637,039.20/x
  3. Step 3: Cross multiply
    847,647.84x = 1,270,289.52 × 637,039.20
  4. Step 4: Simplify right side
    847,647.84x = 809,224,219,589.18
  5. Step 5: Solve for x
    x = 809,224,219,589.18/847,647.84
  6. Step 6: Final answer
    x = 954,670.30

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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.