Finding the Fourth Proportional to 801,823.74, 1,106,513.50 and 439,247.09
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Solution
The fourth proportional to 801,823.74, 1,106,513.50 and 439,247.09 is: 606,159.20
Step by Step Solution
- Step 1: Write the proportion equation
801,823.74 : 1,106,513.50 = 439,247.09 : x - Step 2: Convert to fraction form
801,823.74/1,106,513.50 = 439,247.09/x - Step 3: Cross multiply
801,823.74x = 1,106,513.50 × 439,247.09 - Step 4: Simplify right side
801,823.74x = 486,032,834,920.72 - Step 5: Solve for x
x = 486,032,834,920.72/801,823.74 - Step 6: Final answer
x = 606,159.20
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1.5x scale
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.