Home / 979,664.80-1,467,682.80-557,687.20

Finding the Fourth Proportional to 979,664.80, 1,467,682.80 and 557,687.20

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Solution

The fourth proportional to 979,664.80, 1,467,682.80 and 557,687.20 is: 835,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,664.80 : 1,467,682.80 = 557,687.20 : x
  2. Step 2: Convert to fraction form
    979,664.80/1,467,682.80 = 557,687.20/x
  3. Step 3: Cross multiply
    979,664.80x = 1,467,682.80 × 557,687.20
  4. Step 4: Simplify right side
    979,664.80x = 818,507,911,220.16
  5. Step 5: Solve for x
    x = 818,507,911,220.16/979,664.80
  6. Step 6: Final answer
    x = 835,497.93

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1.5x scale

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.