Home / 697,767.20-1,046,650.80-627,783.20

Finding the Fourth Proportional to 697,767.20, 1,046,650.80 and 627,783.20

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Solution

The fourth proportional to 697,767.20, 1,046,650.80 and 627,783.20 is: 941,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,767.20 : 1,046,650.80 = 627,783.20 : x
  2. Step 2: Convert to fraction form
    697,767.20/1,046,650.80 = 627,783.20/x
  3. Step 3: Cross multiply
    697,767.20x = 1,046,650.80 × 627,783.20
  4. Step 4: Simplify right side
    697,767.20x = 657,069,788,506.56
  5. Step 5: Solve for x
    x = 657,069,788,506.56/697,767.20
  6. Step 6: Final answer
    x = 941,674.80

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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.