Finding the Fourth Proportional to 618,594.19, 853,356.64 and 536,807.68
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Solution
The fourth proportional to 618,594.19, 853,356.64 and 536,807.68 is: 740,531.36
Step by Step Solution
- Step 1: Write the proportion equation
618,594.19 : 853,356.64 = 536,807.68 : x - Step 2: Convert to fraction form
618,594.19/853,356.64 = 536,807.68/x - Step 3: Cross multiply
618,594.19x = 853,356.64 × 536,807.68 - Step 4: Simplify right side
618,594.19x = 458,088,397,171.87 - Step 5: Solve for x
x = 458,088,397,171.87/618,594.19 - Step 6: Final answer
x = 740,531.36
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1.5x scale
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.