Finding the Fourth Proportional to 432,088.80, 648,133.20 and 405,823.20
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Solution
The fourth proportional to 432,088.80, 648,133.20 and 405,823.20 is: 608,734.80
Step by Step Solution
- Step 1: Write the proportion equation
432,088.80 : 648,133.20 = 405,823.20 : x - Step 2: Convert to fraction form
432,088.80/648,133.20 = 405,823.20/x - Step 3: Cross multiply
432,088.80x = 648,133.20 × 405,823.20 - Step 4: Simplify right side
432,088.80x = 263,027,489,250.24 - Step 5: Solve for x
x = 263,027,489,250.24/432,088.80 - Step 6: Final answer
x = 608,734.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.