Finding the Fourth Proportional to 657,844.19, 907,815.14 and 367,459.79
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Solution
The fourth proportional to 657,844.19, 907,815.14 and 367,459.79 is: 507,089.02
Step by Step Solution
- Step 1: Write the proportion equation
657,844.19 : 907,815.14 = 367,459.79 : x - Step 2: Convert to fraction form
657,844.19/907,815.14 = 367,459.79/x - Step 3: Cross multiply
657,844.19x = 907,815.14 × 367,459.79 - Step 4: Simplify right side
657,844.19x = 333,585,561,135.46 - Step 5: Solve for x
x = 333,585,561,135.46/657,844.19 - Step 6: Final answer
x = 507,089.02
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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.