Finding the Fourth Proportional to 539,135.60, 808,703.40 and 444,657.20
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Solution
The fourth proportional to 539,135.60, 808,703.40 and 444,657.20 is: 666,985.80
Step by Step Solution
- Step 1: Write the proportion equation
539,135.60 : 808,703.40 = 444,657.20 : x - Step 2: Convert to fraction form
539,135.60/808,703.40 = 444,657.20/x - Step 3: Cross multiply
539,135.60x = 808,703.40 × 444,657.20 - Step 4: Simplify right side
539,135.60x = 359,595,789,474.48 - Step 5: Solve for x
x = 359,595,789,474.48/539,135.60 - Step 6: Final answer
x = 666,985.80
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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.