Finding the Fourth Proportional to 986,726.99, 1,361,688.83 and 551,162.67
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Solution
The fourth proportional to 986,726.99, 1,361,688.83 and 551,162.67 is: 760,607.60
Step by Step Solution
- Step 1: Write the proportion equation
986,726.99 : 1,361,688.83 = 551,162.67 : x - Step 2: Convert to fraction form
986,726.99/1,361,688.83 = 551,162.67/x - Step 3: Cross multiply
986,726.99x = 1,361,688.83 × 551,162.67 - Step 4: Simplify right side
986,726.99x = 750,512,048,496.16 - Step 5: Solve for x
x = 750,512,048,496.16/986,726.99 - Step 6: Final answer
x = 760,607.60
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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.