Home / 849,856.02-1,172,756.79-467,808.18

Finding the Fourth Proportional to 849,856.02, 1,172,756.79 and 467,808.18

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Solution

The fourth proportional to 849,856.02, 1,172,756.79 and 467,808.18 is: 645,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,856.02 : 1,172,756.79 = 467,808.18 : x
  2. Step 2: Convert to fraction form
    849,856.02/1,172,756.79 = 467,808.18/x
  3. Step 3: Cross multiply
    849,856.02x = 1,172,756.79 × 467,808.18
  4. Step 4: Simplify right side
    849,856.02x = 548,625,219,512.54
  5. Step 5: Solve for x
    x = 548,625,219,512.54/849,856.02
  6. Step 6: Final answer
    x = 645,550.78

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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.