Finding the Fourth Proportional to 648,466.80, 971,533.80 and 555,154.80
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Solution
The fourth proportional to 648,466.80, 971,533.80 and 555,154.80 is: 831,733.64
Step by Step Solution
- Step 1: Write the proportion equation
648,466.80 : 971,533.80 = 555,154.80 : x - Step 2: Convert to fraction form
648,466.80/971,533.80 = 555,154.80/x - Step 3: Cross multiply
648,466.80x = 971,533.80 × 555,154.80 - Step 4: Simplify right side
648,466.80x = 539,351,652,432.24 - Step 5: Solve for x
x = 539,351,652,432.24/648,466.80 - Step 6: Final answer
x = 831,733.64
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1.5x scale
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.