Finding the Fourth Proportional to 647,598.70, 971,398.05 and 619,605.10
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Solution
The fourth proportional to 647,598.70, 971,398.05 and 619,605.10 is: 929,407.65
Step by Step Solution
- Step 1: Write the proportion equation
647,598.70 : 971,398.05 = 619,605.10 : x - Step 2: Convert to fraction form
647,598.70/971,398.05 = 619,605.10/x - Step 3: Cross multiply
647,598.70x = 971,398.05 × 619,605.10 - Step 4: Simplify right side
647,598.70x = 601,883,185,910.06 - Step 5: Solve for x
x = 601,883,185,910.06/647,598.70 - Step 6: Final answer
x = 929,407.65
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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.