Finding the Fourth Proportional to 520,030.09, 717,862.50 and 316,146.12
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Solution
The fourth proportional to 520,030.09, 717,862.50 and 316,146.12 is: 436,415.99
Step by Step Solution
- Step 1: Write the proportion equation
520,030.09 : 717,862.50 = 316,146.12 : x - Step 2: Convert to fraction form
520,030.09/717,862.50 = 316,146.12/x - Step 3: Cross multiply
520,030.09x = 717,862.50 × 316,146.12 - Step 4: Simplify right side
520,030.09x = 226,949,444,068.50 - Step 5: Solve for x
x = 226,949,444,068.50/520,030.09 - Step 6: Final answer
x = 436,415.99
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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.