Home / 1,005,332.64-1,507,678.98-331,288.20

Finding the Fourth Proportional to 1,005,332.64, 1,507,678.98 and 331,288.20

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Solution

The fourth proportional to 1,005,332.64, 1,507,678.98 and 331,288.20 is: 496,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,332.64 : 1,507,678.98 = 331,288.20 : x
  2. Step 2: Convert to fraction form
    1,005,332.64/1,507,678.98 = 331,288.20/x
  3. Step 3: Cross multiply
    1,005,332.64x = 1,507,678.98 × 331,288.20
  4. Step 4: Simplify right side
    1,005,332.64x = 499,476,255,462.04
  5. Step 5: Solve for x
    x = 499,476,255,462.04/1,005,332.64
  6. Step 6: Final answer
    x = 496,826.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.