Home / 802,510.43-1,106,574.98-511,661.30

Finding the Fourth Proportional to 802,510.43, 1,106,574.98 and 511,661.30

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Solution

The fourth proportional to 802,510.43, 1,106,574.98 and 511,661.30 is: 705,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,510.43 : 1,106,574.98 = 511,661.30 : x
  2. Step 2: Convert to fraction form
    802,510.43/1,106,574.98 = 511,661.30/x
  3. Step 3: Cross multiply
    802,510.43x = 1,106,574.98 × 511,661.30
  4. Step 4: Simplify right side
    802,510.43x = 566,191,584,723.09
  5. Step 5: Solve for x
    x = 566,191,584,723.09/802,510.43
  6. Step 6: Final answer
    x = 705,525.52

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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.