Finding the Fourth Proportional to 977,207.84, 1,347,987.80 and 569,266.70
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Solution
The fourth proportional to 977,207.84, 1,347,987.80 and 569,266.70 is: 785,262.39
Step by Step Solution
- Step 1: Write the proportion equation
977,207.84 : 1,347,987.80 = 569,266.70 : x - Step 2: Convert to fraction form
977,207.84/1,347,987.80 = 569,266.70/x - Step 3: Cross multiply
977,207.84x = 1,347,987.80 × 569,266.70 - Step 4: Simplify right side
977,207.84x = 767,364,566,546.26 - Step 5: Solve for x
x = 767,364,566,546.26/977,207.84 - Step 6: Final answer
x = 785,262.39
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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.