Home / 735,278.72-1,014,426.24-480,778.88

Finding the Fourth Proportional to 735,278.72, 1,014,426.24 and 480,778.88

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Solution

The fourth proportional to 735,278.72, 1,014,426.24 and 480,778.88 is: 663,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,278.72 : 1,014,426.24 = 480,778.88 : x
  2. Step 2: Convert to fraction form
    735,278.72/1,014,426.24 = 480,778.88/x
  3. Step 3: Cross multiply
    735,278.72x = 1,014,426.24 × 480,778.88
  4. Step 4: Simplify right side
    735,278.72x = 487,714,711,509.81
  5. Step 5: Solve for x
    x = 487,714,711,509.81/735,278.72
  6. Step 6: Final answer
    x = 663,305.90

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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.