Finding the Fourth Proportional to 604,426.65, 905,603.18 and 288,202.65
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Solution
The fourth proportional to 604,426.65, 905,603.18 and 288,202.65 is: 431,809.61
Step by Step Solution
- Step 1: Write the proportion equation
604,426.65 : 905,603.18 = 288,202.65 : x - Step 2: Convert to fraction form
604,426.65/905,603.18 = 288,202.65/x - Step 3: Cross multiply
604,426.65x = 905,603.18 × 288,202.65 - Step 4: Simplify right side
604,426.65x = 260,997,234,883.41 - Step 5: Solve for x
x = 260,997,234,883.41/604,426.65 - Step 6: Final answer
x = 431,809.61
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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.