Finding the Fourth Proportional to 666,401.99, 919,746.50 and 524,246.99
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Solution
The fourth proportional to 666,401.99, 919,746.50 and 524,246.99 is: 723,548.76
Step by Step Solution
- Step 1: Write the proportion equation
666,401.99 : 919,746.50 = 524,246.99 : x - Step 2: Convert to fraction form
666,401.99/919,746.50 = 524,246.99/x - Step 3: Cross multiply
666,401.99x = 919,746.50 × 524,246.99 - Step 4: Simplify right side
666,401.99x = 482,174,326,968.07 - Step 5: Solve for x
x = 482,174,326,968.07/666,401.99 - Step 6: Final answer
x = 723,548.76
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1.5x scale
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.