Finding the Fourth Proportional to 709,541.19, 979,159.19 and 387,248.67
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Solution
The fourth proportional to 709,541.19, 979,159.19 and 387,248.67 is: 534,398.99
Step by Step Solution
- Step 1: Write the proportion equation
709,541.19 : 979,159.19 = 387,248.67 : x - Step 2: Convert to fraction form
709,541.19/979,159.19 = 387,248.67/x - Step 3: Cross multiply
709,541.19x = 979,159.19 × 387,248.67 - Step 4: Simplify right side
709,541.19x = 379,178,092,109.53 - Step 5: Solve for x
x = 379,178,092,109.53/709,541.19 - Step 6: Final answer
x = 534,398.99
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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.