Finding the Fourth Proportional to 715,201.74, 1,071,805.10 and 537,500.70
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Solution
The fourth proportional to 715,201.74, 1,071,805.10 and 537,500.70 is: 805,501.38
Step by Step Solution
- Step 1: Write the proportion equation
715,201.74 : 1,071,805.10 = 537,500.70 : x - Step 2: Convert to fraction form
715,201.74/1,071,805.10 = 537,500.70/x - Step 3: Cross multiply
715,201.74x = 1,071,805.10 × 537,500.70 - Step 4: Simplify right side
715,201.74x = 576,095,988,826.07 - Step 5: Solve for x
x = 576,095,988,826.07/715,201.74 - Step 6: Final answer
x = 805,501.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.