Finding the Fourth Proportional to 972,338.05, 1,341,818.84 and 564,477.81
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Solution
The fourth proportional to 972,338.05, 1,341,818.84 and 564,477.81 is: 778,974.92
Step by Step Solution
- Step 1: Write the proportion equation
972,338.05 : 1,341,818.84 = 564,477.81 : x - Step 2: Convert to fraction form
972,338.05/1,341,818.84 = 564,477.81/x - Step 3: Cross multiply
972,338.05x = 1,341,818.84 × 564,477.81 - Step 4: Simplify right side
972,338.05x = 757,426,956,599.31 - Step 5: Solve for x
x = 757,426,956,599.31/972,338.05 - Step 6: Final answer
x = 778,974.92
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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.