Finding the Fourth Proportional to 551,679.48, 761,657.34 and 437,419.67
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Solution
The fourth proportional to 551,679.48, 761,657.34 and 437,419.67 is: 603,908.45
Step by Step Solution
- Step 1: Write the proportion equation
551,679.48 : 761,657.34 = 437,419.67 : x - Step 2: Convert to fraction form
551,679.48/761,657.34 = 437,419.67/x - Step 3: Cross multiply
551,679.48x = 761,657.34 × 437,419.67 - Step 4: Simplify right side
551,679.48x = 333,163,903,004.13 - Step 5: Solve for x
x = 333,163,903,004.13/551,679.48 - Step 6: Final answer
x = 603,908.45
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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.