Home / 882,075.12-1,321,443.24-521,166.64

Finding the Fourth Proportional to 882,075.12, 1,321,443.24 and 521,166.64

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Solution

The fourth proportional to 882,075.12, 1,321,443.24 and 521,166.64 is: 780,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,075.12 : 1,321,443.24 = 521,166.64 : x
  2. Step 2: Convert to fraction form
    882,075.12/1,321,443.24 = 521,166.64/x
  3. Step 3: Cross multiply
    882,075.12x = 1,321,443.24 × 521,166.64
  4. Step 4: Simplify right side
    882,075.12x = 688,692,133,341.51
  5. Step 5: Solve for x
    x = 688,692,133,341.51/882,075.12
  6. Step 6: Final answer
    x = 780,763.59

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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.