Finding the Fourth Proportional to 533,492.71, 736,209.61 and 291,774.53
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Solution
The fourth proportional to 533,492.71, 736,209.61 and 291,774.53 is: 402,643.20
Step by Step Solution
- Step 1: Write the proportion equation
533,492.71 : 736,209.61 = 291,774.53 : x - Step 2: Convert to fraction form
533,492.71/736,209.61 = 291,774.53/x - Step 3: Cross multiply
533,492.71x = 736,209.61 × 291,774.53 - Step 4: Simplify right side
533,492.71x = 214,807,212,939.23 - Step 5: Solve for x
x = 214,807,212,939.23/533,492.71 - Step 6: Final answer
x = 402,643.20
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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.