Home / 802,762.65-1,106,904.42-511,985.28

Finding the Fourth Proportional to 802,762.65, 1,106,904.42 and 511,985.28

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Solution

The fourth proportional to 802,762.65, 1,106,904.42 and 511,985.28 is: 705,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,762.65 : 1,106,904.42 = 511,985.28 : x
  2. Step 2: Convert to fraction form
    802,762.65/1,106,904.42 = 511,985.28/x
  3. Step 3: Cross multiply
    802,762.65x = 1,106,904.42 × 511,985.28
  4. Step 4: Simplify right side
    802,762.65x = 566,718,769,406.94
  5. Step 5: Solve for x
    x = 566,718,769,406.94/802,762.65
  6. Step 6: Final answer
    x = 705,960.56

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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.