Finding the Fourth Proportional to 571,455.19, 788,289.73 and 530,908.21
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Solution
The fourth proportional to 571,455.19, 788,289.73 and 530,908.21 is: 732,357.49
Step by Step Solution
- Step 1: Write the proportion equation
571,455.19 : 788,289.73 = 530,908.21 : x - Step 2: Convert to fraction form
571,455.19/788,289.73 = 530,908.21/x - Step 3: Cross multiply
571,455.19x = 788,289.73 × 530,908.21 - Step 4: Simplify right side
571,455.19x = 418,509,489,515.68 - Step 5: Solve for x
x = 418,509,489,515.68/571,455.19 - Step 6: Final answer
x = 732,357.49
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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.