Finding the Fourth Proportional to 896,405.76, 1,237,025.76 and 514,423.68
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Solution
The fourth proportional to 896,405.76, 1,237,025.76 and 514,423.68 is: 709,896.54
Step by Step Solution
- Step 1: Write the proportion equation
896,405.76 : 1,237,025.76 = 514,423.68 : x - Step 2: Convert to fraction form
896,405.76/1,237,025.76 = 514,423.68/x - Step 3: Cross multiply
896,405.76x = 1,237,025.76 × 514,423.68 - Step 4: Simplify right side
896,405.76x = 636,355,343,714.00 - Step 5: Solve for x
x = 636,355,343,714.00/896,405.76 - Step 6: Final answer
x = 709,896.54
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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.