Finding the Fourth Proportional to 879,751.80, 1,319,627.70 and 564,823.80
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Solution
The fourth proportional to 879,751.80, 1,319,627.70 and 564,823.80 is: 847,235.70
Step by Step Solution
- Step 1: Write the proportion equation
879,751.80 : 1,319,627.70 = 564,823.80 : x - Step 2: Convert to fraction form
879,751.80/1,319,627.70 = 564,823.80/x - Step 3: Cross multiply
879,751.80x = 1,319,627.70 × 564,823.80 - Step 4: Simplify right side
879,751.80x = 745,357,132,099.26 - Step 5: Solve for x
x = 745,357,132,099.26/879,751.80 - Step 6: Final answer
x = 847,235.70
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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.