Finding the Fourth Proportional to 875,134.73, 1,312,689.07 and 533,678.49
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Solution
The fourth proportional to 875,134.73, 1,312,689.07 and 533,678.49 is: 800,509.79
Step by Step Solution
- Step 1: Write the proportion equation
875,134.73 : 1,312,689.07 = 533,678.49 : x - Step 2: Convert to fraction form
875,134.73/1,312,689.07 = 533,678.49/x - Step 3: Cross multiply
875,134.73x = 1,312,689.07 × 533,678.49 - Step 4: Simplify right side
875,134.73x = 700,553,918,382.26 - Step 5: Solve for x
x = 700,553,918,382.26/875,134.73 - Step 6: Final answer
x = 800,509.79
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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.