Finding the Fourth Proportional to 555,332.40, 832,998.60 and 512,029.80
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Solution
The fourth proportional to 555,332.40, 832,998.60 and 512,029.80 is: 768,044.70
Step by Step Solution
- Step 1: Write the proportion equation
555,332.40 : 832,998.60 = 512,029.80 : x - Step 2: Convert to fraction form
555,332.40/832,998.60 = 512,029.80/x - Step 3: Cross multiply
555,332.40x = 832,998.60 × 512,029.80 - Step 4: Simplify right side
555,332.40x = 426,520,106,558.28 - Step 5: Solve for x
x = 426,520,106,558.28/555,332.40 - Step 6: Final answer
x = 768,044.70
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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.