Finding the Fourth Proportional to 833,345.71, 1,249,053.62 and 383,121.68
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Solution
The fourth proportional to 833,345.71, 1,249,053.62 and 383,121.68 is: 574,238.90
Step by Step Solution
- Step 1: Write the proportion equation
833,345.71 : 1,249,053.62 = 383,121.68 : x - Step 2: Convert to fraction form
833,345.71/1,249,053.62 = 383,121.68/x - Step 3: Cross multiply
833,345.71x = 1,249,053.62 × 383,121.68 - Step 4: Simplify right side
833,345.71x = 478,539,525,438.98 - Step 5: Solve for x
x = 478,539,525,438.98/833,345.71 - Step 6: Final answer
x = 574,238.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.