Finding the Fourth Proportional to 570,943.19, 787,844.18 and 316,246.79
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Solution
The fourth proportional to 570,943.19, 787,844.18 and 316,246.79 is: 436,388.76
Step by Step Solution
- Step 1: Write the proportion equation
570,943.19 : 787,844.18 = 316,246.79 : x - Step 2: Convert to fraction form
570,943.19/787,844.18 = 316,246.79/x - Step 3: Cross multiply
570,943.19x = 787,844.18 × 316,246.79 - Step 4: Simplify right side
570,943.19x = 249,153,187,424.73 - Step 5: Solve for x
x = 249,153,187,424.73/570,943.19 - Step 6: Final answer
x = 436,388.76
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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.