Home / 430,621.43-593,641.67-302,900.63

Finding the Fourth Proportional to 430,621.43, 593,641.67 and 302,900.63

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Solution

The fourth proportional to 430,621.43, 593,641.67 and 302,900.63 is: 417,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,621.43 : 593,641.67 = 302,900.63 : x
  2. Step 2: Convert to fraction form
    430,621.43/593,641.67 = 302,900.63/x
  3. Step 3: Cross multiply
    430,621.43x = 593,641.67 × 302,900.63
  4. Step 4: Simplify right side
    430,621.43x = 179,814,431,354.54
  5. Step 5: Solve for x
    x = 179,814,431,354.54/430,621.43
  6. Step 6: Final answer
    x = 417,569.64

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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.