Finding the Fourth Proportional to 507,392.87, 700,028.28 and 289,444.95
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Solution
The fourth proportional to 507,392.87, 700,028.28 and 289,444.95 is: 399,334.84
Step by Step Solution
- Step 1: Write the proportion equation
507,392.87 : 700,028.28 = 289,444.95 : x - Step 2: Convert to fraction form
507,392.87/700,028.28 = 289,444.95/x - Step 3: Cross multiply
507,392.87x = 700,028.28 × 289,444.95 - Step 4: Simplify right side
507,392.87x = 202,619,650,503.19 - Step 5: Solve for x
x = 202,619,650,503.19/507,392.87 - Step 6: Final answer
x = 399,334.84
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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.