Finding the Fourth Proportional to 817,975.17, 1,128,513.60 and 473,623.17
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Solution
The fourth proportional to 817,975.17, 1,128,513.60 and 473,623.17 is: 653,430.82
Step by Step Solution
- Step 1: Write the proportion equation
817,975.17 : 1,128,513.60 = 473,623.17 : x - Step 2: Convert to fraction form
817,975.17/1,128,513.60 = 473,623.17/x - Step 3: Cross multiply
817,975.17x = 1,128,513.60 × 473,623.17 - Step 4: Simplify right side
817,975.17x = 534,490,184,388.19 - Step 5: Solve for x
x = 534,490,184,388.19/817,975.17 - Step 6: Final answer
x = 653,430.82
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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.