Home / 430,312.42-593,822.70-239,321.72

Finding the Fourth Proportional to 430,312.42, 593,822.70 and 239,321.72

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Solution

The fourth proportional to 430,312.42, 593,822.70 and 239,321.72 is: 330,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,312.42 : 593,822.70 = 239,321.72 : x
  2. Step 2: Convert to fraction form
    430,312.42/593,822.70 = 239,321.72/x
  3. Step 3: Cross multiply
    430,312.42x = 593,822.70 × 239,321.72
  4. Step 4: Simplify right side
    430,312.42x = 142,114,669,939.04
  5. Step 5: Solve for x
    x = 142,114,669,939.04/430,312.42
  6. Step 6: Final answer
    x = 330,259.28

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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.