Home / 942,535.20-1,300,659.72-512,817.04

Finding the Fourth Proportional to 942,535.20, 1,300,659.72 and 512,817.04

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Solution

The fourth proportional to 942,535.20, 1,300,659.72 and 512,817.04 is: 707,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,535.20 : 1,300,659.72 = 512,817.04 : x
  2. Step 2: Convert to fraction form
    942,535.20/1,300,659.72 = 512,817.04/x
  3. Step 3: Cross multiply
    942,535.20x = 1,300,659.72 × 512,817.04
  4. Step 4: Simplify right side
    942,535.20x = 667,000,467,657.63
  5. Step 5: Solve for x
    x = 667,000,467,657.63/942,535.20
  6. Step 6: Final answer
    x = 707,666.37

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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.