Finding the Fourth Proportional to 704,781.60, 972,599.28 and 382,491.76
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Solution
The fourth proportional to 704,781.60, 972,599.28 and 382,491.76 is: 527,838.99
Step by Step Solution
- Step 1: Write the proportion equation
704,781.60 : 972,599.28 = 382,491.76 : x - Step 2: Convert to fraction form
704,781.60/972,599.28 = 382,491.76/x - Step 3: Cross multiply
704,781.60x = 972,599.28 × 382,491.76 - Step 4: Simplify right side
704,781.60x = 372,011,210,381.93 - Step 5: Solve for x
x = 372,011,210,381.93/704,781.60 - Step 6: Final answer
x = 527,838.99
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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.