Finding the Fourth Proportional to 507,706.16, 761,580.28 and 418,794.08
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Solution
The fourth proportional to 507,706.16, 761,580.28 and 418,794.08 is: 628,208.48
Step by Step Solution
- Step 1: Write the proportion equation
507,706.16 : 761,580.28 = 418,794.08 : x - Step 2: Convert to fraction form
507,706.16/761,580.28 = 418,794.08/x - Step 3: Cross multiply
507,706.16x = 761,580.28 × 418,794.08 - Step 4: Simplify right side
507,706.16x = 318,945,312,708.74 - Step 5: Solve for x
x = 318,945,312,708.74/507,706.16 - Step 6: Final answer
x = 628,208.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.