Finding the Fourth Proportional to 713,106.99, 984,095.19 and 390,810.02
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Solution
The fourth proportional to 713,106.99, 984,095.19 and 390,810.02 is: 539,321.95
Step by Step Solution
- Step 1: Write the proportion equation
713,106.99 : 984,095.19 = 390,810.02 : x - Step 2: Convert to fraction form
713,106.99/984,095.19 = 390,810.02/x - Step 3: Cross multiply
713,106.99x = 984,095.19 × 390,810.02 - Step 4: Simplify right side
713,106.99x = 384,594,255,965.33 - Step 5: Solve for x
x = 384,594,255,965.33/713,106.99 - Step 6: Final answer
x = 539,321.95
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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.