Finding the Fourth Proportional to 1,065,497.70, 1,598,246.55 and 317,543.70
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Solution
The fourth proportional to 1,065,497.70, 1,598,246.55 and 317,543.70 is: 476,315.55
Step by Step Solution
- Step 1: Write the proportion equation
1,065,497.70 : 1,598,246.55 = 317,543.70 : x - Step 2: Convert to fraction form
1,065,497.70/1,598,246.55 = 317,543.70/x - Step 3: Cross multiply
1,065,497.70x = 1,598,246.55 × 317,543.70 - Step 4: Simplify right side
1,065,497.70x = 507,513,122,999.24 - Step 5: Solve for x
x = 507,513,122,999.24/1,065,497.70 - Step 6: Final answer
x = 476,315.55
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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.