Finding the Fourth Proportional to 657,588.63, 907,472.30 and 355,782.63
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Solution
The fourth proportional to 657,588.63, 907,472.30 and 355,782.63 is: 490,980.02
Step by Step Solution
- Step 1: Write the proportion equation
657,588.63 : 907,472.30 = 355,782.63 : x - Step 2: Convert to fraction form
657,588.63/907,472.30 = 355,782.63/x - Step 3: Cross multiply
657,588.63x = 907,472.30 × 355,782.63 - Step 4: Simplify right side
657,588.63x = 322,862,877,898.24 - Step 5: Solve for x
x = 322,862,877,898.24/657,588.63 - Step 6: Final answer
x = 490,980.02
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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.