Finding the Fourth Proportional to 648,263.41, 894,693.68 and 361,801.95
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Solution
The fourth proportional to 648,263.41, 894,693.68 and 361,801.95 is: 499,337.02
Step by Step Solution
- Step 1: Write the proportion equation
648,263.41 : 894,693.68 = 361,801.95 : x - Step 2: Convert to fraction form
648,263.41/894,693.68 = 361,801.95/x - Step 3: Cross multiply
648,263.41x = 894,693.68 × 361,801.95 - Step 4: Simplify right side
648,263.41x = 323,701,916,267.67 - Step 5: Solve for x
x = 323,701,916,267.67/648,263.41 - Step 6: Final answer
x = 499,337.02
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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.