Finding the Fourth Proportional to 555,335.70, 765,790.47 and 475,029.06
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Solution
The fourth proportional to 555,335.70, 765,790.47 and 475,029.06 is: 655,050.14
Step by Step Solution
- Step 1: Write the proportion equation
555,335.70 : 765,790.47 = 475,029.06 : x - Step 2: Convert to fraction form
555,335.70/765,790.47 = 475,029.06/x - Step 3: Cross multiply
555,335.70x = 765,790.47 × 475,029.06 - Step 4: Simplify right side
555,335.70x = 363,772,727,121.06 - Step 5: Solve for x
x = 363,772,727,121.06/555,335.70 - Step 6: Final answer
x = 655,050.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.