Finding the Fourth Proportional to 954,451.80, 1,317,129.30 and 518,854.68
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Solution
The fourth proportional to 954,451.80, 1,317,129.30 and 518,854.68 is: 716,011.75
Step by Step Solution
- Step 1: Write the proportion equation
954,451.80 : 1,317,129.30 = 518,854.68 : x - Step 2: Convert to fraction form
954,451.80/1,317,129.30 = 518,854.68/x - Step 3: Cross multiply
954,451.80x = 1,317,129.30 × 518,854.68 - Step 4: Simplify right side
954,451.80x = 683,398,701,470.12 - Step 5: Solve for x
x = 683,398,701,470.12/954,451.80 - Step 6: Final answer
x = 716,011.75
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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.