Home / 849,432.80-1,172,216.58-467,459.60

Finding the Fourth Proportional to 849,432.80, 1,172,216.58 and 467,459.60

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Solution

The fourth proportional to 849,432.80, 1,172,216.58 and 467,459.60 is: 645,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,432.80 : 1,172,216.58 = 467,459.60 : x
  2. Step 2: Convert to fraction form
    849,432.80/1,172,216.58 = 467,459.60/x
  3. Step 3: Cross multiply
    849,432.80x = 1,172,216.58 × 467,459.60
  4. Step 4: Simplify right side
    849,432.80x = 547,963,887,739.09
  5. Step 5: Solve for x
    x = 547,963,887,739.09/849,432.80
  6. Step 6: Final answer
    x = 645,093.87

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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.