Finding the Fourth Proportional to 873,865.64, 1,311,307.96 and 368,395.68
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Solution
The fourth proportional to 873,865.64, 1,311,307.96 and 368,395.68 is: 552,808.31
Step by Step Solution
- Step 1: Write the proportion equation
873,865.64 : 1,311,307.96 = 368,395.68 : x - Step 2: Convert to fraction form
873,865.64/1,311,307.96 = 368,395.68/x - Step 3: Cross multiply
873,865.64x = 1,311,307.96 × 368,395.68 - Step 4: Simplify right side
873,865.64x = 483,080,187,613.61 - Step 5: Solve for x
x = 483,080,187,613.61/873,865.64 - Step 6: Final answer
x = 552,808.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.