Finding the Fourth Proportional to 1,044,291.20, 1,566,438 and 286,139.12
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Solution
The fourth proportional to 1,044,291.20, 1,566,438 and 286,139.12 is: 429,209.01
Step by Step Solution
- Step 1: Write the proportion equation
1,044,291.20 : 1,566,438 = 286,139.12 : x - Step 2: Convert to fraction form
1,044,291.20/1,566,438 = 286,139.12/x - Step 3: Cross multiply
1,044,291.20x = 1,566,438 × 286,139.12 - Step 4: Simplify right side
1,044,291.20x = 448,219,190,854.56 - Step 5: Solve for x
x = 448,219,190,854.56/1,044,291.20 - Step 6: Final answer
x = 429,209.01
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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.