Finding the Fourth Proportional to 530,495.35, 732,083.68 and 288,779.74
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Solution
The fourth proportional to 530,495.35, 732,083.68 and 288,779.74 is: 398,516.09
Step by Step Solution
- Step 1: Write the proportion equation
530,495.35 : 732,083.68 = 288,779.74 : x - Step 2: Convert to fraction form
530,495.35/732,083.68 = 288,779.74/x - Step 3: Cross multiply
530,495.35x = 732,083.68 × 288,779.74 - Step 4: Simplify right side
530,495.35x = 211,410,934,546.20 - Step 5: Solve for x
x = 211,410,934,546.20/530,495.35 - Step 6: Final answer
x = 398,516.09
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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.