Finding the Fourth Proportional to 704,246.40, 971,827.20 and 432,259.20
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Solution
The fourth proportional to 704,246.40, 971,827.20 and 432,259.20 is: 596,497.54
Step by Step Solution
- Step 1: Write the proportion equation
704,246.40 : 971,827.20 = 432,259.20 : x - Step 2: Convert to fraction form
704,246.40/971,827.20 = 432,259.20/x - Step 3: Cross multiply
704,246.40x = 971,827.20 × 432,259.20 - Step 4: Simplify right side
704,246.40x = 420,081,248,010.24 - Step 5: Solve for x
x = 420,081,248,010.24/704,246.40 - Step 6: Final answer
x = 596,497.54
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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.