Finding the Fourth Proportional to 903,472.08, 1,246,768.99 and 516,262.93
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Solution
The fourth proportional to 903,472.08, 1,246,768.99 and 516,262.93 is: 712,429.99
Step by Step Solution
- Step 1: Write the proportion equation
903,472.08 : 1,246,768.99 = 516,262.93 : x - Step 2: Convert to fraction form
903,472.08/1,246,768.99 = 516,262.93/x - Step 3: Cross multiply
903,472.08x = 1,246,768.99 × 516,262.93 - Step 4: Simplify right side
903,472.08x = 643,660,607,402.96 - Step 5: Solve for x
x = 643,660,607,402.96/903,472.08 - Step 6: Final answer
x = 712,429.99
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1.5x scale
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.