Finding the Fourth Proportional to 420,794.24, 580,627.98 and 239,508.95
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Solution
The fourth proportional to 420,794.24, 580,627.98 and 239,508.95 is: 330,483.60
Step by Step Solution
- Step 1: Write the proportion equation
420,794.24 : 580,627.98 = 239,508.95 : x - Step 2: Convert to fraction form
420,794.24/580,627.98 = 239,508.95/x - Step 3: Cross multiply
420,794.24x = 580,627.98 × 239,508.95 - Step 4: Simplify right side
420,794.24x = 139,065,594,927.28 - Step 5: Solve for x
x = 139,065,594,927.28/420,794.24 - Step 6: Final answer
x = 330,483.60
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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.