Finding the Fourth Proportional to 970,492.71, 1,339,262.00 and 528,971.09
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Solution
The fourth proportional to 970,492.71, 1,339,262.00 and 528,971.09 is: 729,970.33
Step by Step Solution
- Step 1: Write the proportion equation
970,492.71 : 1,339,262.00 = 528,971.09 : x - Step 2: Convert to fraction form
970,492.71/1,339,262.00 = 528,971.09/x - Step 3: Cross multiply
970,492.71x = 1,339,262.00 × 528,971.09 - Step 4: Simplify right side
970,492.71x = 708,430,880,111.41 - Step 5: Solve for x
x = 708,430,880,111.41/970,492.71 - Step 6: Final answer
x = 729,970.33
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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.