Finding the Fourth Proportional to 875,155.39, 1,312,259.23 and 394,821.84
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Solution
The fourth proportional to 875,155.39, 1,312,259.23 and 394,821.84 is: 592,018.99
Step by Step Solution
- Step 1: Write the proportion equation
875,155.39 : 1,312,259.23 = 394,821.84 : x - Step 2: Convert to fraction form
875,155.39/1,312,259.23 = 394,821.84/x - Step 3: Cross multiply
875,155.39x = 1,312,259.23 × 394,821.84 - Step 4: Simplify right side
875,155.39x = 518,108,609,160.08 - Step 5: Solve for x
x = 518,108,609,160.08/875,155.39 - Step 6: Final answer
x = 592,018.99
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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.