Home / 918,329.98-1,377,509-349,742.68

Finding the Fourth Proportional to 918,329.98, 1,377,509 and 349,742.68

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Solution

The fourth proportional to 918,329.98, 1,377,509 and 349,742.68 is: 524,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,329.98 : 1,377,509 = 349,742.68 : x
  2. Step 2: Convert to fraction form
    918,329.98/1,377,509 = 349,742.68/x
  3. Step 3: Cross multiply
    918,329.98x = 1,377,509 × 349,742.68
  4. Step 4: Simplify right side
    918,329.98x = 481,773,689,384.12
  5. Step 5: Solve for x
    x = 481,773,689,384.12/918,329.98
  6. Step 6: Final answer
    x = 524,619.36

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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.