Finding the Fourth Proportional to 657,315.63, 907,095.63 and 355,509.63
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Solution
The fourth proportional to 657,315.63, 907,095.63 and 355,509.63 is: 490,603.32
Step by Step Solution
- Step 1: Write the proportion equation
657,315.63 : 907,095.63 = 355,509.63 : x - Step 2: Convert to fraction form
657,315.63/907,095.63 = 355,509.63/x - Step 3: Cross multiply
657,315.63x = 907,095.63 × 355,509.63 - Step 4: Simplify right side
657,315.63x = 322,481,231,795.92 - Step 5: Solve for x
x = 322,481,231,795.92/657,315.63 - Step 6: Final answer
x = 490,603.32
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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.