Finding the Fourth Proportional to 660,788.80, 911,854.56 and 358,982.08
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Solution
The fourth proportional to 660,788.80, 911,854.56 and 358,982.08 is: 495,376.81
Step by Step Solution
- Step 1: Write the proportion equation
660,788.80 : 911,854.56 = 358,982.08 : x - Step 2: Convert to fraction form
660,788.80/911,854.56 = 358,982.08/x - Step 3: Cross multiply
660,788.80x = 911,854.56 × 358,982.08 - Step 4: Simplify right side
660,788.80x = 327,339,446,606.29 - Step 5: Solve for x
x = 327,339,446,606.29/660,788.80 - Step 6: Final answer
x = 495,376.81
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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.