Finding the Fourth Proportional to 573,965.80, 860,948.70 and 402,723.70
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Solution
The fourth proportional to 573,965.80, 860,948.70 and 402,723.70 is: 604,085.55
Step by Step Solution
- Step 1: Write the proportion equation
573,965.80 : 860,948.70 = 402,723.70 : x - Step 2: Convert to fraction form
573,965.80/860,948.70 = 402,723.70/x - Step 3: Cross multiply
573,965.80x = 860,948.70 × 402,723.70 - Step 4: Simplify right side
573,965.80x = 346,724,445,974.19 - Step 5: Solve for x
x = 346,724,445,974.19/573,965.80 - Step 6: Final answer
x = 604,085.55
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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.