Finding the Fourth Proportional to 903,652.08, 1,355,437.12 and 398,077.96
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Solution
The fourth proportional to 903,652.08, 1,355,437.12 and 398,077.96 is: 597,098.88
Step by Step Solution
- Step 1: Write the proportion equation
903,652.08 : 1,355,437.12 = 398,077.96 : x - Step 2: Convert to fraction form
903,652.08/1,355,437.12 = 398,077.96/x - Step 3: Cross multiply
903,652.08x = 1,355,437.12 × 398,077.96 - Step 4: Simplify right side
903,652.08x = 539,569,643,637.88 - Step 5: Solve for x
x = 539,569,643,637.88/903,652.08 - Step 6: Final answer
x = 597,098.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.