Finding the Fourth Proportional to 977,259.93, 1,346,934.09 and 649,987.23
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Solution
The fourth proportional to 977,259.93, 1,346,934.09 and 649,987.23 is: 895,861.92
Step by Step Solution
- Step 1: Write the proportion equation
977,259.93 : 1,346,934.09 = 649,987.23 : x - Step 2: Convert to fraction form
977,259.93/1,346,934.09 = 649,987.23/x - Step 3: Cross multiply
977,259.93x = 1,346,934.09 × 649,987.23 - Step 4: Simplify right side
977,259.93x = 875,489,958,151.67 - Step 5: Solve for x
x = 875,489,958,151.67/977,259.93 - Step 6: Final answer
x = 895,861.92
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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.