Finding the Fourth Proportional to 742,233.08, 1,024,281.72 and 402,701.36
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Solution
The fourth proportional to 742,233.08, 1,024,281.72 and 402,701.36 is: 555,727.91
Step by Step Solution
- Step 1: Write the proportion equation
742,233.08 : 1,024,281.72 = 402,701.36 : x - Step 2: Convert to fraction form
742,233.08/1,024,281.72 = 402,701.36/x - Step 3: Cross multiply
742,233.08x = 1,024,281.72 × 402,701.36 - Step 4: Simplify right side
742,233.08x = 412,479,641,667.14 - Step 5: Solve for x
x = 412,479,641,667.14/742,233.08 - Step 6: Final answer
x = 555,727.91
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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.