Finding the Fourth Proportional to 939,012.88, 1,295,867.10 and 531,106.74
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Solution
The fourth proportional to 939,012.88, 1,295,867.10 and 531,106.74 is: 732,943.89
Step by Step Solution
- Step 1: Write the proportion equation
939,012.88 : 1,295,867.10 = 531,106.74 : x - Step 2: Convert to fraction form
939,012.88/1,295,867.10 = 531,106.74/x - Step 3: Cross multiply
939,012.88x = 1,295,867.10 × 531,106.74 - Step 4: Simplify right side
939,012.88x = 688,243,750,954.25 - Step 5: Solve for x
x = 688,243,750,954.25/939,012.88 - Step 6: Final answer
x = 732,943.89
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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.