Finding the Fourth Proportional to 903,502.05, 1,246,871.93 and 540,855.74
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Solution
The fourth proportional to 903,502.05, 1,246,871.93 and 540,855.74 is: 746,404.32
Step by Step Solution
- Step 1: Write the proportion equation
903,502.05 : 1,246,871.93 = 540,855.74 : x - Step 2: Convert to fraction form
903,502.05/1,246,871.93 = 540,855.74/x - Step 3: Cross multiply
903,502.05x = 1,246,871.93 × 540,855.74 - Step 4: Simplify right side
903,502.05x = 674,377,831,446.74 - Step 5: Solve for x
x = 674,377,831,446.74/903,502.05 - Step 6: Final answer
x = 746,404.32
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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.