Finding the Fourth Proportional to 646,306.54, 969,010.08 and 286,281.94
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Solution
The fourth proportional to 646,306.54, 969,010.08 and 286,281.94 is: 429,223.70
Step by Step Solution
- Step 1: Write the proportion equation
646,306.54 : 969,010.08 = 286,281.94 : x - Step 2: Convert to fraction form
646,306.54/969,010.08 = 286,281.94/x - Step 3: Cross multiply
646,306.54x = 969,010.08 × 286,281.94 - Step 4: Simplify right side
646,306.54x = 277,410,085,581.96 - Step 5: Solve for x
x = 277,410,085,581.96/646,306.54 - Step 6: Final answer
x = 429,223.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.