Finding the Fourth Proportional to 724,883.16, 1,000,326.06 and 402,580.92
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Solution
The fourth proportional to 724,883.16, 1,000,326.06 and 402,580.92 is: 555,554.62
Step by Step Solution
- Step 1: Write the proportion equation
724,883.16 : 1,000,326.06 = 402,580.92 : x - Step 2: Convert to fraction form
724,883.16/1,000,326.06 = 402,580.92/x - Step 3: Cross multiply
724,883.16x = 1,000,326.06 × 402,580.92 - Step 4: Simplify right side
724,883.16x = 402,712,185,534.78 - Step 5: Solve for x
x = 402,712,185,534.78/724,883.16 - Step 6: Final answer
x = 555,554.62
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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.