Finding the Fourth Proportional to 724,848.06, 1,000,630.31 and 418,864.68
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Solution
The fourth proportional to 724,848.06, 1,000,630.31 and 418,864.68 is: 578,229.72
Step by Step Solution
- Step 1: Write the proportion equation
724,848.06 : 1,000,630.31 = 418,864.68 : x - Step 2: Convert to fraction form
724,848.06/1,000,630.31 = 418,864.68/x - Step 3: Cross multiply
724,848.06x = 1,000,630.31 × 418,864.68 - Step 4: Simplify right side
724,848.06x = 419,128,692,502.13 - Step 5: Solve for x
x = 419,128,692,502.13/724,848.06 - Step 6: Final answer
x = 578,229.72
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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.