Finding the Fourth Proportional to 608,331.68, 839,503.12 and 336,417.84
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Solution
The fourth proportional to 608,331.68, 839,503.12 and 336,417.84 is: 464,259.61
Step by Step Solution
- Step 1: Write the proportion equation
608,331.68 : 839,503.12 = 336,417.84 : x - Step 2: Convert to fraction form
608,331.68/839,503.12 = 336,417.84/x - Step 3: Cross multiply
608,331.68x = 839,503.12 × 336,417.84 - Step 4: Simplify right side
608,331.68x = 282,423,826,303.66 - Step 5: Solve for x
x = 282,423,826,303.66/608,331.68 - Step 6: Final answer
x = 464,259.61
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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.