Finding the Fourth Proportional to 905,281.68, 1,248,769.15 and 565,159.44
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Solution
The fourth proportional to 905,281.68, 1,248,769.15 and 565,159.44 is: 779,595.67
Step by Step Solution
- Step 1: Write the proportion equation
905,281.68 : 1,248,769.15 = 565,159.44 : x - Step 2: Convert to fraction form
905,281.68/1,248,769.15 = 565,159.44/x - Step 3: Cross multiply
905,281.68x = 1,248,769.15 × 565,159.44 - Step 4: Simplify right side
905,281.68x = 705,753,673,503.28 - Step 5: Solve for x
x = 705,753,673,503.28/905,281.68 - Step 6: Final answer
x = 779,595.67
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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.