Finding the Fourth Proportional to 647,534.70, 971,302.05 and 597,768.30
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Solution
The fourth proportional to 647,534.70, 971,302.05 and 597,768.30 is: 896,652.45
Step by Step Solution
- Step 1: Write the proportion equation
647,534.70 : 971,302.05 = 597,768.30 : x - Step 2: Convert to fraction form
647,534.70/971,302.05 = 597,768.30/x - Step 3: Cross multiply
647,534.70x = 971,302.05 × 597,768.30 - Step 4: Simplify right side
647,534.70x = 580,613,575,215.02 - Step 5: Solve for x
x = 580,613,575,215.02/647,534.70 - Step 6: Final answer
x = 896,652.45
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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.