Finding the Fourth Proportional to 1,024,327.70, 1,536,491.55 and 576,430.10
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Solution
The fourth proportional to 1,024,327.70, 1,536,491.55 and 576,430.10 is: 864,645.15
Step by Step Solution
- Step 1: Write the proportion equation
1,024,327.70 : 1,536,491.55 = 576,430.10 : x - Step 2: Convert to fraction form
1,024,327.70/1,536,491.55 = 576,430.10/x - Step 3: Cross multiply
1,024,327.70x = 1,536,491.55 × 576,430.10 - Step 4: Simplify right side
1,024,327.70x = 885,679,977,815.66 - Step 5: Solve for x
x = 885,679,977,815.66/1,024,327.70 - Step 6: Final answer
x = 864,645.15
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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.