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Finding the Fourth Proportional to 456,583.86, 630,339.10 and 275,341.70

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Solution

The fourth proportional to 456,583.86, 630,339.10 and 275,341.70 is: 380,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,583.86 : 630,339.10 = 275,341.70 : x
  2. Step 2: Convert to fraction form
    456,583.86/630,339.10 = 275,341.70/x
  3. Step 3: Cross multiply
    456,583.86x = 630,339.10 × 275,341.70
  4. Step 4: Simplify right side
    456,583.86x = 173,558,639,370.47
  5. Step 5: Solve for x
    x = 173,558,639,370.47/456,583.86
  6. Step 6: Final answer
    x = 380,124.34

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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.