Finding the Fourth Proportional to 624,825.39, 862,263.14 and 338,345.49
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Solution
The fourth proportional to 624,825.39, 862,263.14 and 338,345.49 is: 466,918.99
Step by Step Solution
- Step 1: Write the proportion equation
624,825.39 : 862,263.14 = 338,345.49 : x - Step 2: Convert to fraction form
624,825.39/862,263.14 = 338,345.49/x - Step 3: Cross multiply
624,825.39x = 862,263.14 × 338,345.49 - Step 4: Simplify right side
624,825.39x = 291,742,842,920.51 - Step 5: Solve for x
x = 291,742,842,920.51/624,825.39 - Step 6: Final answer
x = 466,918.99
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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.