Finding the Fourth Proportional to 961,132.67, 1,326,321.05 and 525,541.80
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Solution
The fourth proportional to 961,132.67, 1,326,321.05 and 525,541.80 is: 725,224.70
Step by Step Solution
- Step 1: Write the proportion equation
961,132.67 : 1,326,321.05 = 525,541.80 : x - Step 2: Convert to fraction form
961,132.67/1,326,321.05 = 525,541.80/x - Step 3: Cross multiply
961,132.67x = 1,326,321.05 × 525,541.80 - Step 4: Simplify right side
961,132.67x = 697,037,149,367.18 - Step 5: Solve for x
x = 697,037,149,367.18/961,132.67 - Step 6: Final answer
x = 725,224.70
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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.