Finding the Fourth Proportional to 724,860.14, 1,000,335.15 and 402,594.75
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Solution
The fourth proportional to 724,860.14, 1,000,335.15 and 402,594.75 is: 555,596.40
Step by Step Solution
- Step 1: Write the proportion equation
724,860.14 : 1,000,335.15 = 402,594.75 : x - Step 2: Convert to fraction form
724,860.14/1,000,335.15 = 402,594.75/x - Step 3: Cross multiply
724,860.14x = 1,000,335.15 × 402,594.75 - Step 4: Simplify right side
724,860.14x = 402,729,679,630.46 - Step 5: Solve for x
x = 402,729,679,630.46/724,860.14 - Step 6: Final answer
x = 555,596.40
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1.5x scale
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.