Finding the Fourth Proportional to 736,129.18, 1,016,632.71 and 655,888.69
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Solution
The fourth proportional to 736,129.18, 1,016,632.71 and 655,888.69 is: 905,816.42
Step by Step Solution
- Step 1: Write the proportion equation
736,129.18 : 1,016,632.71 = 655,888.69 : x - Step 2: Convert to fraction form
736,129.18/1,016,632.71 = 655,888.69/x - Step 3: Cross multiply
736,129.18x = 1,016,632.71 × 655,888.69 - Step 4: Simplify right side
736,129.18x = 666,797,896,373.05 - Step 5: Solve for x
x = 666,797,896,373.05/736,129.18 - Step 6: Final answer
x = 905,816.42
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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.