Finding the Fourth Proportional to 725,028.02, 1,000,312.98 and 418,992.92
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Solution
The fourth proportional to 725,028.02, 1,000,312.98 and 418,992.92 is: 578,079.80
Step by Step Solution
- Step 1: Write the proportion equation
725,028.02 : 1,000,312.98 = 418,992.92 : x - Step 2: Convert to fraction form
725,028.02/1,000,312.98 = 418,992.92/x - Step 3: Cross multiply
725,028.02x = 1,000,312.98 × 418,992.92 - Step 4: Simplify right side
725,028.02x = 419,124,056,404.10 - Step 5: Solve for x
x = 419,124,056,404.10/725,028.02 - Step 6: Final answer
x = 578,079.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.