Finding the Fourth Proportional to 817,260.90, 1,127,816.64 and 454,719.48
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Solution
The fourth proportional to 817,260.90, 1,127,816.64 and 454,719.48 is: 627,510.99
Step by Step Solution
- Step 1: Write the proportion equation
817,260.90 : 1,127,816.64 = 454,719.48 : x - Step 2: Convert to fraction form
817,260.90/1,127,816.64 = 454,719.48/x - Step 3: Cross multiply
817,260.90x = 1,127,816.64 × 454,719.48 - Step 4: Simplify right side
817,260.90x = 512,840,196,076.15 - Step 5: Solve for x
x = 512,840,196,076.15/817,260.90 - Step 6: Final answer
x = 627,510.99
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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.