Home / 860,055.90-1,289,623.05-360,855.90

Finding the Fourth Proportional to 860,055.90, 1,289,623.05 and 360,855.90

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Solution

The fourth proportional to 860,055.90, 1,289,623.05 and 360,855.90 is: 541,090.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,055.90 : 1,289,623.05 = 360,855.90 : x
  2. Step 2: Convert to fraction form
    860,055.90/1,289,623.05 = 360,855.90/x
  3. Step 3: Cross multiply
    860,055.90x = 1,289,623.05 × 360,855.90
  4. Step 4: Simplify right side
    860,055.90x = 465,368,086,368.50
  5. Step 5: Solve for x
    x = 465,368,086,368.50/860,055.90
  6. Step 6: Final answer
    x = 541,090.51

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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.