Finding the Fourth Proportional to 752,889.02, 1,038,973.92 and 413,354.84
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Solution
The fourth proportional to 752,889.02, 1,038,973.92 and 413,354.84 is: 570,422.58
Step by Step Solution
- Step 1: Write the proportion equation
752,889.02 : 1,038,973.92 = 413,354.84 : x - Step 2: Convert to fraction form
752,889.02/1,038,973.92 = 413,354.84/x - Step 3: Cross multiply
752,889.02x = 1,038,973.92 × 413,354.84 - Step 4: Simplify right side
752,889.02x = 429,464,898,465.77 - Step 5: Solve for x
x = 429,464,898,465.77/752,889.02 - Step 6: Final answer
x = 570,422.58
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1.5x scale
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.