Finding the Fourth Proportional to 901,347.57, 1,243,660.81 and 533,642.13
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Solution
The fourth proportional to 901,347.57, 1,243,660.81 and 533,642.13 is: 736,308.42
Step by Step Solution
- Step 1: Write the proportion equation
901,347.57 : 1,243,660.81 = 533,642.13 : x - Step 2: Convert to fraction form
901,347.57/1,243,660.81 = 533,642.13/x - Step 3: Cross multiply
901,347.57x = 1,243,660.81 × 533,642.13 - Step 4: Simplify right side
901,347.57x = 663,669,803,645.93 - Step 5: Solve for x
x = 663,669,803,645.93/901,347.57 - Step 6: Final answer
x = 736,308.42
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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.