Finding the Fourth Proportional to 933,739.76, 1,288,543.36 and 571,136.98
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Solution
The fourth proportional to 933,739.76, 1,288,543.36 and 571,136.98 is: 788,158.32
Step by Step Solution
- Step 1: Write the proportion equation
933,739.76 : 1,288,543.36 = 571,136.98 : x - Step 2: Convert to fraction form
933,739.76/1,288,543.36 = 571,136.98/x - Step 3: Cross multiply
933,739.76x = 1,288,543.36 × 571,136.98 - Step 4: Simplify right side
933,739.76x = 735,934,758,580.25 - Step 5: Solve for x
x = 735,934,758,580.25/933,739.76 - Step 6: Final answer
x = 788,158.32
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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.