Finding the Fourth Proportional to 518,864.74, 716,051.14 and 301,056.95
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Solution
The fourth proportional to 518,864.74, 716,051.14 and 301,056.95 is: 415,468.92
Step by Step Solution
- Step 1: Write the proportion equation
518,864.74 : 716,051.14 = 301,056.95 : x - Step 2: Convert to fraction form
518,864.74/716,051.14 = 301,056.95/x - Step 3: Cross multiply
518,864.74x = 716,051.14 × 301,056.95 - Step 4: Simplify right side
518,864.74x = 215,572,173,289.91 - Step 5: Solve for x
x = 215,572,173,289.91/518,864.74 - Step 6: Final answer
x = 415,468.92
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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.