Finding the Fourth Proportional to 742,277.88, 1,024,355.34 and 402,746.10
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Solution
The fourth proportional to 742,277.88, 1,024,355.34 and 402,746.10 is: 555,796.06
Step by Step Solution
- Step 1: Write the proportion equation
742,277.88 : 1,024,355.34 = 402,746.10 : x - Step 2: Convert to fraction form
742,277.88/1,024,355.34 = 402,746.10/x - Step 3: Cross multiply
742,277.88x = 1,024,355.34 × 402,746.10 - Step 4: Simplify right side
742,277.88x = 412,555,118,199.17 - Step 5: Solve for x
x = 412,555,118,199.17/742,277.88 - Step 6: Final answer
x = 555,796.06
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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.