Finding the Fourth Proportional to 624,966.21, 935,848.08 and 432,574.11
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Solution
The fourth proportional to 624,966.21, 935,848.08 and 432,574.11 is: 647,752.86
Step by Step Solution
- Step 1: Write the proportion equation
624,966.21 : 935,848.08 = 432,574.11 : x - Step 2: Convert to fraction form
624,966.21/935,848.08 = 432,574.11/x - Step 3: Cross multiply
624,966.21x = 935,848.08 × 432,574.11 - Step 4: Simplify right side
624,966.21x = 404,823,650,301.21 - Step 5: Solve for x
x = 404,823,650,301.21/624,966.21 - Step 6: Final answer
x = 647,752.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.