Finding the Fourth Proportional to 439,772.13, 606,572.68 and 403,590.41
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Solution
The fourth proportional to 439,772.13, 606,572.68 and 403,590.41 is: 556,667.65
Step by Step Solution
- Step 1: Write the proportion equation
439,772.13 : 606,572.68 = 403,590.41 : x - Step 2: Convert to fraction form
439,772.13/606,572.68 = 403,590.41/x - Step 3: Cross multiply
439,772.13x = 606,572.68 × 403,590.41 - Step 4: Simplify right side
439,772.13x = 244,806,915,643.60 - Step 5: Solve for x
x = 244,806,915,643.60/439,772.13 - Step 6: Final answer
x = 556,667.65
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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.