Finding the Fourth Proportional to 688,533.44, 949,911.36 and 507,675.20
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Solution
The fourth proportional to 688,533.44, 949,911.36 and 507,675.20 is: 700,396.54
Step by Step Solution
- Step 1: Write the proportion equation
688,533.44 : 949,911.36 = 507,675.20 : x - Step 2: Convert to fraction form
688,533.44/949,911.36 = 507,675.20/x - Step 3: Cross multiply
688,533.44x = 949,911.36 × 507,675.20 - Step 4: Simplify right side
688,533.44x = 482,246,439,670.27 - Step 5: Solve for x
x = 482,246,439,670.27/688,533.44 - Step 6: Final answer
x = 700,396.54
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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.