Finding the Fourth Proportional to 996,339.72, 1,374,979.14 and 566,681.70
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Solution
The fourth proportional to 996,339.72, 1,374,979.14 and 566,681.70 is: 782,037.99
Step by Step Solution
- Step 1: Write the proportion equation
996,339.72 : 1,374,979.14 = 566,681.70 : x - Step 2: Convert to fraction form
996,339.72/1,374,979.14 = 566,681.70/x - Step 3: Cross multiply
996,339.72x = 1,374,979.14 × 566,681.70 - Step 4: Simplify right side
996,339.72x = 779,175,516,519.74 - Step 5: Solve for x
x = 779,175,516,519.74/996,339.72 - Step 6: Final answer
x = 782,037.99
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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.