Finding the Fourth Proportional to 778,088.68, 1,073,740.99 and 433,935.07
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Solution
The fourth proportional to 778,088.68, 1,073,740.99 and 433,935.07 is: 598,818.47
Step by Step Solution
- Step 1: Write the proportion equation
778,088.68 : 1,073,740.99 = 433,935.07 : x - Step 2: Convert to fraction form
778,088.68/1,073,740.99 = 433,935.07/x - Step 3: Cross multiply
778,088.68x = 1,073,740.99 × 433,935.07 - Step 4: Simplify right side
778,088.68x = 465,933,871,657.52 - Step 5: Solve for x
x = 465,933,871,657.52/778,088.68 - Step 6: Final answer
x = 598,818.47
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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.