Finding the Fourth Proportional to 968,212.10, 1,336,132.71 and 532,635.50
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Solution
The fourth proportional to 968,212.10, 1,336,132.71 and 532,635.50 is: 735,036.99
Step by Step Solution
- Step 1: Write the proportion equation
968,212.10 : 1,336,132.71 = 532,635.50 : x - Step 2: Convert to fraction form
968,212.10/1,336,132.71 = 532,635.50/x - Step 3: Cross multiply
968,212.10x = 1,336,132.71 × 532,635.50 - Step 4: Simplify right side
968,212.10x = 711,671,707,376.54 - Step 5: Solve for x
x = 711,671,707,376.54/968,212.10 - Step 6: Final answer
x = 735,036.99
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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.