Finding the Fourth Proportional to 770,280.84, 1,062,967.68 and 426,107.79
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Solution
The fourth proportional to 770,280.84, 1,062,967.68 and 426,107.79 is: 588,017.75
Step by Step Solution
- Step 1: Write the proportion equation
770,280.84 : 1,062,967.68 = 426,107.79 : x - Step 2: Convert to fraction form
770,280.84/1,062,967.68 = 426,107.79/x - Step 3: Cross multiply
770,280.84x = 1,062,967.68 × 426,107.79 - Step 4: Simplify right side
770,280.84x = 452,938,808,966.23 - Step 5: Solve for x
x = 452,938,808,966.23/770,280.84 - Step 6: Final answer
x = 588,017.75
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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.