Finding the Fourth Proportional to 609,289.12, 840,818.88 and 341,017.12
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Solution
The fourth proportional to 609,289.12, 840,818.88 and 341,017.12 is: 470,603.57
Step by Step Solution
- Step 1: Write the proportion equation
609,289.12 : 840,818.88 = 341,017.12 : x - Step 2: Convert to fraction form
609,289.12/840,818.88 = 341,017.12/x - Step 3: Cross multiply
609,289.12x = 840,818.88 × 341,017.12 - Step 4: Simplify right side
609,289.12x = 286,733,632,899.23 - Step 5: Solve for x
x = 286,733,632,899.23/609,289.12 - Step 6: Final answer
x = 470,603.57
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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.