Finding the Fourth Proportional to 888,911.08, 1,226,726.58 and 486,503.08
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Solution
The fourth proportional to 888,911.08, 1,226,726.58 and 486,503.08 is: 671,390.28
Step by Step Solution
- Step 1: Write the proportion equation
888,911.08 : 1,226,726.58 = 486,503.08 : x - Step 2: Convert to fraction form
888,911.08/1,226,726.58 = 486,503.08/x - Step 3: Cross multiply
888,911.08x = 1,226,726.58 × 486,503.08 - Step 4: Simplify right side
888,911.08x = 596,806,259,487.87 - Step 5: Solve for x
x = 596,806,259,487.87/888,911.08 - Step 6: Final answer
x = 671,390.28
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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.