Finding the Fourth Proportional to 842,289.42, 1,162,478.16 and 536,268.18
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Solution
The fourth proportional to 842,289.42, 1,162,478.16 and 536,268.18 is: 740,125.70
Step by Step Solution
- Step 1: Write the proportion equation
842,289.42 : 1,162,478.16 = 536,268.18 : x - Step 2: Convert to fraction form
842,289.42/1,162,478.16 = 536,268.18/x - Step 3: Cross multiply
842,289.42x = 1,162,478.16 × 536,268.18 - Step 4: Simplify right side
842,289.42x = 623,400,047,152.95 - Step 5: Solve for x
x = 623,400,047,152.95/842,289.42 - Step 6: Final answer
x = 740,125.70
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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.