Finding the Fourth Proportional to 1,319,289.04, 1,979,015.60 and 477,848.08
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Solution
The fourth proportional to 1,319,289.04, 1,979,015.60 and 477,848.08 is: 716,801.83
Step by Step Solution
- Step 1: Write the proportion equation
1,319,289.04 : 1,979,015.60 = 477,848.08 : x - Step 2: Convert to fraction form
1,319,289.04/1,979,015.60 = 477,848.08/x - Step 3: Cross multiply
1,319,289.04x = 1,979,015.60 × 477,848.08 - Step 4: Simplify right side
1,319,289.04x = 945,668,804,750.05 - Step 5: Solve for x
x = 945,668,804,750.05/1,319,289.04 - Step 6: Final answer
x = 716,801.83
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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.