Finding the Fourth Proportional to 904,710.80, 1,356,107.55 and 424,533.08
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Solution
The fourth proportional to 904,710.80, 1,356,107.55 and 424,533.08 is: 636,349.77
Step by Step Solution
- Step 1: Write the proportion equation
904,710.80 : 1,356,107.55 = 424,533.08 : x - Step 2: Convert to fraction form
904,710.80/1,356,107.55 = 424,533.08/x - Step 3: Cross multiply
904,710.80x = 1,356,107.55 × 424,533.08 - Step 4: Simplify right side
904,710.80x = 575,712,508,232.22 - Step 5: Solve for x
x = 575,712,508,232.22/904,710.80 - Step 6: Final answer
x = 636,349.77
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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.