Finding the Fourth Proportional to 555,955.58, 767,220.02 and 301,306.70
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Solution
The fourth proportional to 555,955.58, 767,220.02 and 301,306.70 is: 415,803.96
Step by Step Solution
- Step 1: Write the proportion equation
555,955.58 : 767,220.02 = 301,306.70 : x - Step 2: Convert to fraction form
555,955.58/767,220.02 = 301,306.70/x - Step 3: Cross multiply
555,955.58x = 767,220.02 × 301,306.70 - Step 4: Simplify right side
555,955.58x = 231,168,532,400.13 - Step 5: Solve for x
x = 231,168,532,400.13/555,955.58 - Step 6: Final answer
x = 415,803.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.