Finding the Fourth Proportional to 522,117.36, 720,507.96 and 307,270.08
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Solution
The fourth proportional to 522,117.36, 720,507.96 and 307,270.08 is: 424,024.47
Step by Step Solution
- Step 1: Write the proportion equation
522,117.36 : 720,507.96 = 307,270.08 : x - Step 2: Convert to fraction form
522,117.36/720,507.96 = 307,270.08/x - Step 3: Cross multiply
522,117.36x = 720,507.96 × 307,270.08 - Step 4: Simplify right side
522,117.36x = 221,390,538,509.84 - Step 5: Solve for x
x = 221,390,538,509.84/522,117.36 - Step 6: Final answer
x = 424,024.47
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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.