Home / 673,551.16-1,009,790.06-388,918.83

Finding the Fourth Proportional to 673,551.16, 1,009,790.06 and 388,918.83

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Solution

The fourth proportional to 673,551.16, 1,009,790.06 and 388,918.83 is: 583,068.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,551.16 : 1,009,790.06 = 388,918.83 : x
  2. Step 2: Convert to fraction form
    673,551.16/1,009,790.06 = 388,918.83/x
  3. Step 3: Cross multiply
    673,551.16x = 1,009,790.06 × 388,918.83
  4. Step 4: Simplify right side
    673,551.16x = 392,726,370,522.95
  5. Step 5: Solve for x
    x = 392,726,370,522.95/673,551.16
  6. Step 6: Final answer
    x = 583,068.36

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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.