Finding the Fourth Proportional to 877,242.80, 1,316,389.16 and 805,859.12
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Solution
The fourth proportional to 877,242.80, 1,316,389.16 and 805,859.12 is: 1,209,270.92
Step by Step Solution
- Step 1: Write the proportion equation
877,242.80 : 1,316,389.16 = 805,859.12 : x - Step 2: Convert to fraction form
877,242.80/1,316,389.16 = 805,859.12/x - Step 3: Cross multiply
877,242.80x = 1,316,389.16 × 805,859.12 - Step 4: Simplify right side
877,242.80x = 1,060,824,210,055.14 - Step 5: Solve for x
x = 1,060,824,210,055.14/877,242.80 - Step 6: Final answer
x = 1,209,270.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.