Finding the Fourth Proportional to 539,494.68, 744,391.49 and 310,007.62
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Solution
The fourth proportional to 539,494.68, 744,391.49 and 310,007.62 is: 427,746.63
Step by Step Solution
- Step 1: Write the proportion equation
539,494.68 : 744,391.49 = 310,007.62 : x - Step 2: Convert to fraction form
539,494.68/744,391.49 = 310,007.62/x - Step 3: Cross multiply
539,494.68x = 744,391.49 × 310,007.62 - Step 4: Simplify right side
539,494.68x = 230,767,030,752.14 - Step 5: Solve for x
x = 230,767,030,752.14/539,494.68 - Step 6: Final answer
x = 427,746.63
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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.