Finding the Fourth Proportional to 507,652.80, 761,479.20 and 464,107.20
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Solution
The fourth proportional to 507,652.80, 761,479.20 and 464,107.20 is: 696,160.80
Step by Step Solution
- Step 1: Write the proportion equation
507,652.80 : 761,479.20 = 464,107.20 : x - Step 2: Convert to fraction form
507,652.80/761,479.20 = 464,107.20/x - Step 3: Cross multiply
507,652.80x = 761,479.20 × 464,107.20 - Step 4: Simplify right side
507,652.80x = 353,407,979,370.24 - Step 5: Solve for x
x = 353,407,979,370.24/507,652.80 - Step 6: Final answer
x = 696,160.80
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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.