Home / 926,388.98-1,388,620.03-358,160.34

Finding the Fourth Proportional to 926,388.98, 1,388,620.03 and 358,160.34

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Solution

The fourth proportional to 926,388.98, 1,388,620.03 and 358,160.34 is: 536,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,388.98 : 1,388,620.03 = 358,160.34 : x
  2. Step 2: Convert to fraction form
    926,388.98/1,388,620.03 = 358,160.34/x
  3. Step 3: Cross multiply
    926,388.98x = 1,388,620.03 × 358,160.34
  4. Step 4: Simplify right side
    926,388.98x = 497,348,622,075.61
  5. Step 5: Solve for x
    x = 497,348,622,075.61/926,388.98
  6. Step 6: Final answer
    x = 536,868.03

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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.