Finding the Fourth Proportional to 732,547.28, 1,010,968.74 and 442,230.21
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Solution
The fourth proportional to 732,547.28, 1,010,968.74 and 442,230.21 is: 610,309.99
Step by Step Solution
- Step 1: Write the proportion equation
732,547.28 : 1,010,968.74 = 442,230.21 : x - Step 2: Convert to fraction form
732,547.28/1,010,968.74 = 442,230.21/x - Step 3: Cross multiply
732,547.28x = 1,010,968.74 × 442,230.21 - Step 4: Simplify right side
732,547.28x = 447,080,918,193.64 - Step 5: Solve for x
x = 447,080,918,193.64/732,547.28 - Step 6: Final answer
x = 610,309.99
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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.