Finding the Fourth Proportional to 907,545.24, 1,252,364.88 and 499,567.40
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Solution
The fourth proportional to 907,545.24, 1,252,364.88 and 499,567.40 is: 689,376.84
Step by Step Solution
- Step 1: Write the proportion equation
907,545.24 : 1,252,364.88 = 499,567.40 : x - Step 2: Convert to fraction form
907,545.24/1,252,364.88 = 499,567.40/x - Step 3: Cross multiply
907,545.24x = 1,252,364.88 × 499,567.40 - Step 4: Simplify right side
907,545.24x = 625,640,666,952.91 - Step 5: Solve for x
x = 625,640,666,952.91/907,545.24 - Step 6: Final answer
x = 689,376.84
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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.