Finding the Fourth Proportional to 539,439.79, 744,428.46 and 294,426.79
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Solution
The fourth proportional to 539,439.79, 744,428.46 and 294,426.79 is: 406,309.82
Step by Step Solution
- Step 1: Write the proportion equation
539,439.79 : 744,428.46 = 294,426.79 : x - Step 2: Convert to fraction form
539,439.79/744,428.46 = 294,426.79/x - Step 3: Cross multiply
539,439.79x = 744,428.46 × 294,426.79 - Step 4: Simplify right side
539,439.79x = 219,179,681,543.03 - Step 5: Solve for x
x = 219,179,681,543.03/539,439.79 - Step 6: Final answer
x = 406,309.82
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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.