Finding the Fourth Proportional to 842,271.59, 1,263,268.99 and 302,416.11
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Solution
The fourth proportional to 842,271.59, 1,263,268.99 and 302,416.11 is: 453,574.47
Step by Step Solution
- Step 1: Write the proportion equation
842,271.59 : 1,263,268.99 = 302,416.11 : x - Step 2: Convert to fraction form
842,271.59/1,263,268.99 = 302,416.11/x - Step 3: Cross multiply
842,271.59x = 1,263,268.99 × 302,416.11 - Step 4: Simplify right side
842,271.59x = 382,032,889,813.96 - Step 5: Solve for x
x = 382,032,889,813.96/842,271.59 - Step 6: Final answer
x = 453,574.47
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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.