Finding the Fourth Proportional to 742,534.74, 1,024,698.95 and 403,002.99
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Solution
The fourth proportional to 742,534.74, 1,024,698.95 and 403,002.99 is: 556,144.67
Step by Step Solution
- Step 1: Write the proportion equation
742,534.74 : 1,024,698.95 = 403,002.99 : x - Step 2: Convert to fraction form
742,534.74/1,024,698.95 = 403,002.99/x - Step 3: Cross multiply
742,534.74x = 1,024,698.95 × 403,002.99 - Step 4: Simplify right side
742,534.74x = 412,956,740,699.86 - Step 5: Solve for x
x = 412,956,740,699.86/742,534.74 - Step 6: Final answer
x = 556,144.67
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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.