Finding the Fourth Proportional to 518,949.08, 716,149.86 and 292,594.58
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Solution
The fourth proportional to 518,949.08, 716,149.86 and 292,594.58 is: 403,780.59
Step by Step Solution
- Step 1: Write the proportion equation
518,949.08 : 716,149.86 = 292,594.58 : x - Step 2: Convert to fraction form
518,949.08/716,149.86 = 292,594.58/x - Step 3: Cross multiply
518,949.08x = 716,149.86 × 292,594.58 - Step 4: Simplify right side
518,949.08x = 209,541,567,503.76 - Step 5: Solve for x
x = 209,541,567,503.76/518,949.08 - Step 6: Final answer
x = 403,780.59
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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.