Home / 849,120.33-1,171,953.54-486,787.47

Finding the Fourth Proportional to 849,120.33, 1,171,953.54 and 486,787.47

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Solution

The fourth proportional to 849,120.33, 1,171,953.54 and 486,787.47 is: 671,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,120.33 : 1,171,953.54 = 486,787.47 : x
  2. Step 2: Convert to fraction form
    849,120.33/1,171,953.54 = 486,787.47/x
  3. Step 3: Cross multiply
    849,120.33x = 1,171,953.54 × 486,787.47
  4. Step 4: Simplify right side
    849,120.33x = 570,492,298,694.14
  5. Step 5: Solve for x
    x = 570,492,298,694.14/849,120.33
  6. Step 6: Final answer
    x = 671,862.72

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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.