Finding the Fourth Proportional to 607,539.12, 837,780.60 and 403,516.08
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Solution
The fourth proportional to 607,539.12, 837,780.60 and 403,516.08 is: 556,438.15
Step by Step Solution
- Step 1: Write the proportion equation
607,539.12 : 837,780.60 = 403,516.08 : x - Step 2: Convert to fraction form
607,539.12/837,780.60 = 403,516.08/x - Step 3: Cross multiply
607,539.12x = 837,780.60 × 403,516.08 - Step 4: Simplify right side
607,539.12x = 338,057,943,612.05 - Step 5: Solve for x
x = 338,057,943,612.05/607,539.12 - Step 6: Final answer
x = 556,438.15
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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.