Finding the Fourth Proportional to 1,117,646.06, 1,676,484.47 and 318,927.36
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Solution
The fourth proportional to 1,117,646.06, 1,676,484.47 and 318,927.36 is: 478,395.43
Step by Step Solution
- Step 1: Write the proportion equation
1,117,646.06 : 1,676,484.47 = 318,927.36 : x - Step 2: Convert to fraction form
1,117,646.06/1,676,484.47 = 318,927.36/x - Step 3: Cross multiply
1,117,646.06x = 1,676,484.47 × 318,927.36 - Step 4: Simplify right side
1,117,646.06x = 534,676,766,098.10 - Step 5: Solve for x
x = 534,676,766,098.10/1,117,646.06 - Step 6: Final answer
x = 478,395.43
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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.