Finding the Fourth Proportional to 891,106.71, 1,336,909.19 and 292,488.99
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Solution
The fourth proportional to 891,106.71, 1,336,909.19 and 292,488.99 is: 438,815.25
Step by Step Solution
- Step 1: Write the proportion equation
891,106.71 : 1,336,909.19 = 292,488.99 : x - Step 2: Convert to fraction form
891,106.71/1,336,909.19 = 292,488.99/x - Step 3: Cross multiply
891,106.71x = 1,336,909.19 × 292,488.99 - Step 4: Simplify right side
891,106.71x = 391,031,217,242.37 - Step 5: Solve for x
x = 391,031,217,242.37/891,106.71 - Step 6: Final answer
x = 438,815.25
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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.