Finding the Fourth Proportional to 917,029.12, 1,375,937.92 and 444,069.12
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Solution
The fourth proportional to 917,029.12, 1,375,937.92 and 444,069.12 is: 666,294.59
Step by Step Solution
- Step 1: Write the proportion equation
917,029.12 : 1,375,937.92 = 444,069.12 : x - Step 2: Convert to fraction form
917,029.12/1,375,937.92 = 444,069.12/x - Step 3: Cross multiply
917,029.12x = 1,375,937.92 × 444,069.12 - Step 4: Simplify right side
917,029.12x = 611,011,541,309.03 - Step 5: Solve for x
x = 611,011,541,309.03/917,029.12 - Step 6: Final answer
x = 666,294.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.