Finding the Fourth Proportional to 530,790.48, 731,637.12 and 358,654.68
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Solution
The fourth proportional to 530,790.48, 731,637.12 and 358,654.68 is: 494,366.59
Step by Step Solution
- Step 1: Write the proportion equation
530,790.48 : 731,637.12 = 358,654.68 : x - Step 2: Convert to fraction form
530,790.48/731,637.12 = 358,654.68/x - Step 3: Cross multiply
530,790.48x = 731,637.12 × 358,654.68 - Step 4: Simplify right side
530,790.48x = 262,405,077,149.72 - Step 5: Solve for x
x = 262,405,077,149.72/530,790.48 - Step 6: Final answer
x = 494,366.59
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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.