Finding the Fourth Proportional to 854,290.08, 1,178,816.40 and 472,263.84
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Solution
The fourth proportional to 854,290.08, 1,178,816.40 and 472,263.84 is: 651,666.66
Step by Step Solution
- Step 1: Write the proportion equation
854,290.08 : 1,178,816.40 = 472,263.84 : x - Step 2: Convert to fraction form
854,290.08/1,178,816.40 = 472,263.84/x - Step 3: Cross multiply
854,290.08x = 1,178,816.40 × 472,263.84 - Step 4: Simplify right side
854,290.08x = 556,712,359,718.98 - Step 5: Solve for x
x = 556,712,359,718.98/854,290.08 - Step 6: Final answer
x = 651,666.66
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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.