Finding the Fourth Proportional to 900,313.11, 1,242,294.12 and 518,266.08
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Solution
The fourth proportional to 900,313.11, 1,242,294.12 and 518,266.08 is: 715,127.77
Step by Step Solution
- Step 1: Write the proportion equation
900,313.11 : 1,242,294.12 = 518,266.08 : x - Step 2: Convert to fraction form
900,313.11/1,242,294.12 = 518,266.08/x - Step 3: Cross multiply
900,313.11x = 1,242,294.12 × 518,266.08 - Step 4: Simplify right side
900,313.11x = 643,838,903,779.45 - Step 5: Solve for x
x = 643,838,903,779.45/900,313.11 - Step 6: Final answer
x = 715,127.77
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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.