Home / 1,005,030.45-1,507,221.54-330,951.56

Finding the Fourth Proportional to 1,005,030.45, 1,507,221.54 and 330,951.56

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Solution

The fourth proportional to 1,005,030.45, 1,507,221.54 and 330,951.56 is: 496,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,030.45 : 1,507,221.54 = 330,951.56 : x
  2. Step 2: Convert to fraction form
    1,005,030.45/1,507,221.54 = 330,951.56/x
  3. Step 3: Cross multiply
    1,005,030.45x = 1,507,221.54 × 330,951.56
  4. Step 4: Simplify right side
    1,005,030.45x = 498,817,312,392.50
  5. Step 5: Solve for x
    x = 498,817,312,392.50/1,005,030.45
  6. Step 6: Final answer
    x = 496,320.60

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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.