Finding the Fourth Proportional to 576,924.10, 865,386.15 and 417,491.80
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Solution
The fourth proportional to 576,924.10, 865,386.15 and 417,491.80 is: 626,237.70
Step by Step Solution
- Step 1: Write the proportion equation
576,924.10 : 865,386.15 = 417,491.80 : x - Step 2: Convert to fraction form
576,924.10/865,386.15 = 417,491.80/x - Step 3: Cross multiply
576,924.10x = 865,386.15 × 417,491.80 - Step 4: Simplify right side
576,924.10x = 361,291,621,458.57 - Step 5: Solve for x
x = 361,291,621,458.57/576,924.10 - Step 6: Final answer
x = 626,237.70
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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.