Finding the Fourth Proportional to 748,011.24, 1,031,731.56 and 506,187.36
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Solution
The fourth proportional to 748,011.24, 1,031,731.56 and 506,187.36 is: 698,183.99
Step by Step Solution
- Step 1: Write the proportion equation
748,011.24 : 1,031,731.56 = 506,187.36 : x - Step 2: Convert to fraction form
748,011.24/1,031,731.56 = 506,187.36/x - Step 3: Cross multiply
748,011.24x = 1,031,731.56 × 506,187.36 - Step 4: Simplify right side
748,011.24x = 522,249,474,585.08 - Step 5: Solve for x
x = 522,249,474,585.08/748,011.24 - Step 6: Final answer
x = 698,183.99
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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.