Finding the Fourth Proportional to 961,545.84, 1,326,774.72 and 531,742
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Solution
The fourth proportional to 961,545.84, 1,326,774.72 and 531,742 is: 733,716.29
Step by Step Solution
- Step 1: Write the proportion equation
961,545.84 : 1,326,774.72 = 531,742 : x - Step 2: Convert to fraction form
961,545.84/1,326,774.72 = 531,742/x - Step 3: Cross multiply
961,545.84x = 1,326,774.72 × 531,742 - Step 4: Simplify right side
961,545.84x = 705,501,843,162.24 - Step 5: Solve for x
x = 705,501,843,162.24/961,545.84 - Step 6: Final answer
x = 733,716.29
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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.