Finding the Fourth Proportional to 712,875.63, 983,768.18 and 390,597.96
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Solution
The fourth proportional to 712,875.63, 983,768.18 and 390,597.96 is: 539,025.08
Step by Step Solution
- Step 1: Write the proportion equation
712,875.63 : 983,768.18 = 390,597.96 : x - Step 2: Convert to fraction form
712,875.63/983,768.18 = 390,597.96/x - Step 3: Cross multiply
712,875.63x = 983,768.18 × 390,597.96 - Step 4: Simplify right side
712,875.63x = 384,257,842,267.92 - Step 5: Solve for x
x = 384,257,842,267.92/712,875.63 - Step 6: Final answer
x = 539,025.08
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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.