Finding the Fourth Proportional to 805,602.08, 1,111,312.08 and 483,157.28
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Solution
The fourth proportional to 805,602.08, 1,111,312.08 and 483,157.28 is: 666,505.88
Step by Step Solution
- Step 1: Write the proportion equation
805,602.08 : 1,111,312.08 = 483,157.28 : x - Step 2: Convert to fraction form
805,602.08/1,111,312.08 = 483,157.28/x - Step 3: Cross multiply
805,602.08x = 1,111,312.08 × 483,157.28 - Step 4: Simplify right side
805,602.08x = 536,938,521,803.94 - Step 5: Solve for x
x = 536,938,521,803.94/805,602.08 - Step 6: Final answer
x = 666,505.88
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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.