Finding the Fourth Proportional to 514,053.24, 709,308.84 and 322,931.28
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Solution
The fourth proportional to 514,053.24, 709,308.84 and 322,931.28 is: 445,592.00
Step by Step Solution
- Step 1: Write the proportion equation
514,053.24 : 709,308.84 = 322,931.28 : x - Step 2: Convert to fraction form
514,053.24/709,308.84 = 322,931.28/x - Step 3: Cross multiply
514,053.24x = 709,308.84 × 322,931.28 - Step 4: Simplify right side
514,053.24x = 229,058,011,616.52 - Step 5: Solve for x
x = 229,058,011,616.52/514,053.24 - Step 6: Final answer
x = 445,592.00
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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.