Home / 456,583.36-630,338.41-275,341.20

Finding the Fourth Proportional to 456,583.36, 630,338.41 and 275,341.20

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Solution

The fourth proportional to 456,583.36, 630,338.41 and 275,341.20 is: 380,123.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,583.36 : 630,338.41 = 275,341.20 : x
  2. Step 2: Convert to fraction form
    456,583.36/630,338.41 = 275,341.20/x
  3. Step 3: Cross multiply
    456,583.36x = 630,338.41 × 275,341.20
  4. Step 4: Simplify right side
    456,583.36x = 173,558,134,215.49
  5. Step 5: Solve for x
    x = 173,558,134,215.49/456,583.36
  6. Step 6: Final answer
    x = 380,123.65

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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.