Finding the Fourth Proportional to 754,985.88, 1,132,332.63 and 293,363.07
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Solution
The fourth proportional to 754,985.88, 1,132,332.63 and 293,363.07 is: 439,987.80
Step by Step Solution
- Step 1: Write the proportion equation
754,985.88 : 1,132,332.63 = 293,363.07 : x - Step 2: Convert to fraction form
754,985.88/1,132,332.63 = 293,363.07/x - Step 3: Cross multiply
754,985.88x = 1,132,332.63 × 293,363.07 - Step 4: Simplify right side
754,985.88x = 332,184,576,597.97 - Step 5: Solve for x
x = 332,184,576,597.97/754,985.88 - Step 6: Final answer
x = 439,987.80
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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.