Finding the Fourth Proportional to 723,098.36, 997,901.70 and 436,562.84
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Solution
The fourth proportional to 723,098.36, 997,901.70 and 436,562.84 is: 602,472.39
Step by Step Solution
- Step 1: Write the proportion equation
723,098.36 : 997,901.70 = 436,562.84 : x - Step 2: Convert to fraction form
723,098.36/997,901.70 = 436,562.84/x - Step 3: Cross multiply
723,098.36x = 997,901.70 × 436,562.84 - Step 4: Simplify right side
723,098.36x = 435,646,800,192.83 - Step 5: Solve for x
x = 435,646,800,192.83/723,098.36 - Step 6: Final answer
x = 602,472.39
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1.5x scale
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.