Home / 849,420.02-1,172,199.79-467,446.80

Finding the Fourth Proportional to 849,420.02, 1,172,199.79 and 467,446.80

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Solution

The fourth proportional to 849,420.02, 1,172,199.79 and 467,446.80 is: 645,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,420.02 : 1,172,199.79 = 467,446.80 : x
  2. Step 2: Convert to fraction form
    849,420.02/1,172,199.79 = 467,446.80/x
  3. Step 3: Cross multiply
    849,420.02x = 1,172,199.79 × 467,446.80
  4. Step 4: Simplify right side
    849,420.02x = 547,941,040,796.17
  5. Step 5: Solve for x
    x = 547,941,040,796.17/849,420.02
  6. Step 6: Final answer
    x = 645,076.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.