Finding the Fourth Proportional to 893,779.76, 1,338,874.59 and 413,334.14
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Solution
The fourth proportional to 893,779.76, 1,338,874.59 and 413,334.14 is: 619,171.07
Step by Step Solution
- Step 1: Write the proportion equation
893,779.76 : 1,338,874.59 = 413,334.14 : x - Step 2: Convert to fraction form
893,779.76/1,338,874.59 = 413,334.14/x - Step 3: Cross multiply
893,779.76x = 1,338,874.59 × 413,334.14 - Step 4: Simplify right side
893,779.76x = 553,402,569,756.13 - Step 5: Solve for x
x = 553,402,569,756.13/893,779.76 - Step 6: Final answer
x = 619,171.07
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1.5x scale
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.