Finding the Fourth Proportional to 527,966.79, 729,195.56 and 357,905.67
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Solution
The fourth proportional to 527,966.79, 729,195.56 and 357,905.67 is: 494,317.50
Step by Step Solution
- Step 1: Write the proportion equation
527,966.79 : 729,195.56 = 357,905.67 : x - Step 2: Convert to fraction form
527,966.79/729,195.56 = 357,905.67/x - Step 3: Cross multiply
527,966.79x = 729,195.56 × 357,905.67 - Step 4: Simplify right side
527,966.79x = 260,983,225,462.83 - Step 5: Solve for x
x = 260,983,225,462.83/527,966.79 - Step 6: Final answer
x = 494,317.50
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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.