Finding the Fourth Proportional to 742,484.95, 1,024,629.75 and 402,953.20
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Solution
The fourth proportional to 742,484.95, 1,024,629.75 and 402,953.20 is: 556,075.70
Step by Step Solution
- Step 1: Write the proportion equation
742,484.95 : 1,024,629.75 = 402,953.20 : x - Step 2: Convert to fraction form
742,484.95/1,024,629.75 = 402,953.20/x - Step 3: Cross multiply
742,484.95x = 1,024,629.75 × 402,953.20 - Step 4: Simplify right side
742,484.95x = 412,877,834,016.13 - Step 5: Solve for x
x = 412,877,834,016.13/742,484.95 - Step 6: Final answer
x = 556,075.70
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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.