Finding the Fourth Proportional to 570,618.99, 787,444.54 and 315,964.71
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Solution
The fourth proportional to 570,618.99, 787,444.54 and 315,964.71 is: 436,025.95
Step by Step Solution
- Step 1: Write the proportion equation
570,618.99 : 787,444.54 = 315,964.71 : x - Step 2: Convert to fraction form
570,618.99/787,444.54 = 315,964.71/x - Step 3: Cross multiply
570,618.99x = 787,444.54 × 315,964.71 - Step 4: Simplify right side
570,618.99x = 248,804,685,722.18 - Step 5: Solve for x
x = 248,804,685,722.18/570,618.99 - Step 6: Final answer
x = 436,025.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.