Finding the Fourth Proportional to 602,807.78, 832,565.14 and 396,996.19
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Solution
The fourth proportional to 602,807.78, 832,565.14 and 396,996.19 is: 548,309.43
Step by Step Solution
- Step 1: Write the proportion equation
602,807.78 : 832,565.14 = 396,996.19 : x - Step 2: Convert to fraction form
602,807.78/832,565.14 = 396,996.19/x - Step 3: Cross multiply
602,807.78x = 832,565.14 × 396,996.19 - Step 4: Simplify right side
602,807.78x = 330,525,189,227.08 - Step 5: Solve for x
x = 330,525,189,227.08/602,807.78 - Step 6: Final answer
x = 548,309.43
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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.