Finding the Fourth Proportional to 583,927.20, 805,819.20 and 315,655.20
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Solution
The fourth proportional to 583,927.20, 805,819.20 and 315,655.20 is: 435,603.99
Step by Step Solution
- Step 1: Write the proportion equation
583,927.20 : 805,819.20 = 315,655.20 : x - Step 2: Convert to fraction form
583,927.20/805,819.20 = 315,655.20/x - Step 3: Cross multiply
583,927.20x = 805,819.20 × 315,655.20 - Step 4: Simplify right side
583,927.20x = 254,361,020,739.84 - Step 5: Solve for x
x = 254,361,020,739.84/583,927.20 - Step 6: Final answer
x = 435,603.99
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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.