Finding the Fourth Proportional to 708,802.08, 978,170.49 and 386,529.81
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Solution
The fourth proportional to 708,802.08, 978,170.49 and 386,529.81 is: 533,424.02
Step by Step Solution
- Step 1: Write the proportion equation
708,802.08 : 978,170.49 = 386,529.81 : x - Step 2: Convert to fraction form
708,802.08/978,170.49 = 386,529.81/x - Step 3: Cross multiply
708,802.08x = 978,170.49 × 386,529.81 - Step 4: Simplify right side
708,802.08x = 378,092,053,647.31 - Step 5: Solve for x
x = 378,092,053,647.31/708,802.08 - Step 6: Final answer
x = 533,424.02
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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.