Finding the Fourth Proportional to 530,858.70, 745,301.70 and 530,858.70
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Solution
The fourth proportional to 530,858.70, 745,301.70 and 530,858.70 is: 745,301.70
Step by Step Solution
- Step 1: Write the proportion equation
530,858.70 : 745,301.70 = 530,858.70 : x - Step 2: Convert to fraction form
530,858.70/745,301.70 = 530,858.70/x - Step 3: Cross multiply
530,858.70x = 745,301.70 × 530,858.70 - Step 4: Simplify right side
530,858.70x = 395,649,891,569.79 - Step 5: Solve for x
x = 395,649,891,569.79/530,858.70 - Step 6: Final answer
x = 745,301.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.