Finding the Fourth Proportional to 900,362.16, 1,242,882.36 and 560,998.08
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Solution
The fourth proportional to 900,362.16, 1,242,882.36 and 560,998.08 is: 774,415.73
Step by Step Solution
- Step 1: Write the proportion equation
900,362.16 : 1,242,882.36 = 560,998.08 : x - Step 2: Convert to fraction form
900,362.16/1,242,882.36 = 560,998.08/x - Step 3: Cross multiply
900,362.16x = 1,242,882.36 × 560,998.08 - Step 4: Simplify right side
900,362.16x = 697,254,617,625.87 - Step 5: Solve for x
x = 697,254,617,625.87/900,362.16 - Step 6: Final answer
x = 774,415.73
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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.