Finding the Fourth Proportional to 808,547.06, 1,212,815.55 and 209,506.70
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Solution
The fourth proportional to 808,547.06, 1,212,815.55 and 209,506.70 is: 314,258.74
Step by Step Solution
- Step 1: Write the proportion equation
808,547.06 : 1,212,815.55 = 209,506.70 : x - Step 2: Convert to fraction form
808,547.06/1,212,815.55 = 209,506.70/x - Step 3: Cross multiply
808,547.06x = 1,212,815.55 × 209,506.70 - Step 4: Simplify right side
808,547.06x = 254,092,983,589.19 - Step 5: Solve for x
x = 254,092,983,589.19/808,547.06 - Step 6: Final answer
x = 314,258.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.