Home / 804,106.19-1,205,975.03-479,985.77

Finding the Fourth Proportional to 804,106.19, 1,205,975.03 and 479,985.77

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Solution

The fourth proportional to 804,106.19, 1,205,975.03 and 479,985.77 is: 719,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,106.19 : 1,205,975.03 = 479,985.77 : x
  2. Step 2: Convert to fraction form
    804,106.19/1,205,975.03 = 479,985.77/x
  3. Step 3: Cross multiply
    804,106.19x = 1,205,975.03 × 479,985.77
  4. Step 4: Simplify right side
    804,106.19x = 578,850,850,975.39
  5. Step 5: Solve for x
    x = 578,850,850,975.39/804,106.19
  6. Step 6: Final answer
    x = 719,868.67

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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.