Finding the Fourth Proportional to 1,087,077.99, 1,630,817.44 and 357,642.28
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Solution
The fourth proportional to 1,087,077.99, 1,630,817.44 and 357,642.28 is: 536,529.36
Step by Step Solution
- Step 1: Write the proportion equation
1,087,077.99 : 1,630,817.44 = 357,642.28 : x - Step 2: Convert to fraction form
1,087,077.99/1,630,817.44 = 357,642.28/x - Step 3: Cross multiply
1,087,077.99x = 1,630,817.44 × 357,642.28 - Step 4: Simplify right side
1,087,077.99x = 583,249,261,523.34 - Step 5: Solve for x
x = 583,249,261,523.34/1,087,077.99 - Step 6: Final answer
x = 536,529.36
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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.