Home / 918,997.93-1,378,562.81-245,075.70

Finding the Fourth Proportional to 918,997.93, 1,378,562.81 and 245,075.70

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Solution

The fourth proportional to 918,997.93, 1,378,562.81 and 245,075.70 is: 367,631.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,997.93 : 1,378,562.81 = 245,075.70 : x
  2. Step 2: Convert to fraction form
    918,997.93/1,378,562.81 = 245,075.70/x
  3. Step 3: Cross multiply
    918,997.93x = 1,378,562.81 × 245,075.70
  4. Step 4: Simplify right side
    918,997.93x = 337,852,244,429.34
  5. Step 5: Solve for x
    x = 337,852,244,429.34/918,997.93
  6. Step 6: Final answer
    x = 367,631.13

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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.