Finding the Fourth Proportional to 539,631.20, 744,679.21 and 294,607.58
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Solution
The fourth proportional to 539,631.20, 744,679.21 and 294,607.58 is: 406,551.99
Step by Step Solution
- Step 1: Write the proportion equation
539,631.20 : 744,679.21 = 294,607.58 : x - Step 2: Convert to fraction form
539,631.20/744,679.21 = 294,607.58/x - Step 3: Cross multiply
539,631.20x = 744,679.21 × 294,607.58 - Step 4: Simplify right side
539,631.20x = 219,388,139,934.41 - Step 5: Solve for x
x = 219,388,139,934.41/539,631.20 - Step 6: Final answer
x = 406,551.99
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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.