Finding the Fourth Proportional to 651,637.80, 977,456.70 and 546,661.80
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Solution
The fourth proportional to 651,637.80, 977,456.70 and 546,661.80 is: 819,992.70
Step by Step Solution
- Step 1: Write the proportion equation
651,637.80 : 977,456.70 = 546,661.80 : x - Step 2: Convert to fraction form
651,637.80/977,456.70 = 546,661.80/x - Step 3: Cross multiply
651,637.80x = 977,456.70 × 546,661.80 - Step 4: Simplify right side
651,637.80x = 534,338,239,044.06 - Step 5: Solve for x
x = 534,338,239,044.06/651,637.80 - Step 6: Final answer
x = 819,992.70
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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.