Finding the Fourth Proportional to 750,908.80, 1,036,257.60 and 411,376
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Solution
The fourth proportional to 750,908.80, 1,036,257.60 and 411,376 is: 567,700.77
Step by Step Solution
- Step 1: Write the proportion equation
750,908.80 : 1,036,257.60 = 411,376 : x - Step 2: Convert to fraction form
750,908.80/1,036,257.60 = 411,376/x - Step 3: Cross multiply
750,908.80x = 1,036,257.60 × 411,376 - Step 4: Simplify right side
750,908.80x = 426,291,506,457.60 - Step 5: Solve for x
x = 426,291,506,457.60/750,908.80 - Step 6: Final answer
x = 567,700.77
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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.