Finding the Fourth Proportional to 616,739.84, 851,089.92 and 348,462.08
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Solution
The fourth proportional to 616,739.84, 851,089.92 and 348,462.08 is: 480,871.42
Step by Step Solution
- Step 1: Write the proportion equation
616,739.84 : 851,089.92 = 348,462.08 : x - Step 2: Convert to fraction form
616,739.84/851,089.92 = 348,462.08/x - Step 3: Cross multiply
616,739.84x = 851,089.92 × 348,462.08 - Step 4: Simplify right side
616,739.84x = 296,572,563,790.23 - Step 5: Solve for x
x = 296,572,563,790.23/616,739.84 - Step 6: Final answer
x = 480,871.42
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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.