Finding the Fourth Proportional to 961,177.02, 1,326,371.30 and 531,428.80
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Solution
The fourth proportional to 961,177.02, 1,326,371.30 and 531,428.80 is: 733,342.45
Step by Step Solution
- Step 1: Write the proportion equation
961,177.02 : 1,326,371.30 = 531,428.80 : x - Step 2: Convert to fraction form
961,177.02/1,326,371.30 = 531,428.80/x - Step 3: Cross multiply
961,177.02x = 1,326,371.30 × 531,428.80 - Step 4: Simplify right side
961,177.02x = 704,871,905,656.30 - Step 5: Solve for x
x = 704,871,905,656.30/961,177.02 - Step 6: Final answer
x = 733,342.45
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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.