Finding the Fourth Proportional to 875,134.67, 1,312,688.97 and 533,678.43
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Solution
The fourth proportional to 875,134.67, 1,312,688.97 and 533,678.43 is: 800,509.70
Step by Step Solution
- Step 1: Write the proportion equation
875,134.67 : 1,312,688.97 = 533,678.43 : x - Step 2: Convert to fraction form
875,134.67/1,312,688.97 = 533,678.43/x - Step 3: Cross multiply
875,134.67x = 1,312,688.97 × 533,678.43 - Step 4: Simplify right side
875,134.67x = 700,553,788,587.92 - Step 5: Solve for x
x = 700,553,788,587.92/875,134.67 - Step 6: Final answer
x = 800,509.70
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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.