Finding the Fourth Proportional to 714,932.19, 1,072,545.87 and 209,509.65
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Solution
The fourth proportional to 714,932.19, 1,072,545.87 and 209,509.65 is: 314,307.73
Step by Step Solution
- Step 1: Write the proportion equation
714,932.19 : 1,072,545.87 = 209,509.65 : x - Step 2: Convert to fraction form
714,932.19/1,072,545.87 = 209,509.65/x - Step 3: Cross multiply
714,932.19x = 1,072,545.87 × 209,509.65 - Step 4: Simplify right side
714,932.19x = 224,708,710,618.31 - Step 5: Solve for x
x = 224,708,710,618.31/714,932.19 - Step 6: Final answer
x = 314,307.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.