Home / 716,886.82-1,075,328.87-211,802.58

Finding the Fourth Proportional to 716,886.82, 1,075,328.87 and 211,802.58

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Solution

The fourth proportional to 716,886.82, 1,075,328.87 and 211,802.58 is: 317,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,886.82 : 1,075,328.87 = 211,802.58 : x
  2. Step 2: Convert to fraction form
    716,886.82/1,075,328.87 = 211,802.58/x
  3. Step 3: Cross multiply
    716,886.82x = 1,075,328.87 × 211,802.58
  4. Step 4: Simplify right side
    716,886.82x = 227,757,427,955.47
  5. Step 5: Solve for x
    x = 227,757,427,955.47/716,886.82
  6. Step 6: Final answer
    x = 317,703.47

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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.