Home / 778,038.47-1,166,776.88-328,794.03

Finding the Fourth Proportional to 778,038.47, 1,166,776.88 and 328,794.03

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Solution

The fourth proportional to 778,038.47, 1,166,776.88 and 328,794.03 is: 493,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,038.47 : 1,166,776.88 = 328,794.03 : x
  2. Step 2: Convert to fraction form
    778,038.47/1,166,776.88 = 328,794.03/x
  3. Step 3: Cross multiply
    778,038.47x = 1,166,776.88 × 328,794.03
  4. Step 4: Simplify right side
    778,038.47x = 383,629,270,842.06
  5. Step 5: Solve for x
    x = 383,629,270,842.06/778,038.47
  6. Step 6: Final answer
    x = 493,072.37

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1.5x scale

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.