Finding the Fourth Proportional to 986,434.74, 1,361,133.99 and 599,048.70
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Solution
The fourth proportional to 986,434.74, 1,361,133.99 and 599,048.70 is: 826,598.57
Step by Step Solution
- Step 1: Write the proportion equation
986,434.74 : 1,361,133.99 = 599,048.70 : x - Step 2: Convert to fraction form
986,434.74/1,361,133.99 = 599,048.70/x - Step 3: Cross multiply
986,434.74x = 1,361,133.99 × 599,048.70 - Step 4: Simplify right side
986,434.74x = 815,385,547,235.31 - Step 5: Solve for x
x = 815,385,547,235.31/986,434.74 - Step 6: Final answer
x = 826,598.57
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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.