Finding the Fourth Proportional to 761,383.73, 1,142,330.08 and 249,072.19
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Solution
The fourth proportional to 761,383.73, 1,142,330.08 and 249,072.19 is: 373,691.54
Step by Step Solution
- Step 1: Write the proportion equation
761,383.73 : 1,142,330.08 = 249,072.19 : x - Step 2: Convert to fraction form
761,383.73/1,142,330.08 = 249,072.19/x - Step 3: Cross multiply
761,383.73x = 1,142,330.08 × 249,072.19 - Step 4: Simplify right side
761,383.73x = 284,522,658,206.98 - Step 5: Solve for x
x = 284,522,658,206.98/761,383.73 - Step 6: Final answer
x = 373,691.54
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1.5x scale
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.