Finding the Fourth Proportional to 817,545.84, 1,226,317.68 and 256,624.08
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Solution
The fourth proportional to 817,545.84, 1,226,317.68 and 256,624.08 is: 384,935.78
Step by Step Solution
- Step 1: Write the proportion equation
817,545.84 : 1,226,317.68 = 256,624.08 : x - Step 2: Convert to fraction form
817,545.84/1,226,317.68 = 256,624.08/x - Step 3: Cross multiply
817,545.84x = 1,226,317.68 × 256,624.08 - Step 4: Simplify right side
817,545.84x = 314,702,646,417.73 - Step 5: Solve for x
x = 314,702,646,417.73/817,545.84 - Step 6: Final answer
x = 384,935.78
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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.