Finding the Fourth Proportional to 801,641.07, 1,106,282.58 and 457,470.15
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Solution
The fourth proportional to 801,641.07, 1,106,282.58 and 457,470.15 is: 631,319.02
Step by Step Solution
- Step 1: Write the proportion equation
801,641.07 : 1,106,282.58 = 457,470.15 : x - Step 2: Convert to fraction form
801,641.07/1,106,282.58 = 457,470.15/x - Step 3: Cross multiply
801,641.07x = 1,106,282.58 × 457,470.15 - Step 4: Simplify right side
801,641.07x = 506,091,257,814.99 - Step 5: Solve for x
x = 506,091,257,814.99/801,641.07 - Step 6: Final answer
x = 631,319.02
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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.