Finding the Fourth Proportional to 665,482.08, 917,289.36 and 520,035.08
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Solution
The fourth proportional to 665,482.08, 917,289.36 and 520,035.08 is: 716,807.64
Step by Step Solution
- Step 1: Write the proportion equation
665,482.08 : 917,289.36 = 520,035.08 : x - Step 2: Convert to fraction form
665,482.08/917,289.36 = 520,035.08/x - Step 3: Cross multiply
665,482.08x = 917,289.36 × 520,035.08 - Step 4: Simplify right side
665,482.08x = 477,022,641,124.30 - Step 5: Solve for x
x = 477,022,641,124.30/665,482.08 - Step 6: Final answer
x = 716,807.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.