Home / 814,507.30-1,124,002.90-451,923.35

Finding the Fourth Proportional to 814,507.30, 1,124,002.90 and 451,923.35

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Solution

The fourth proportional to 814,507.30, 1,124,002.90 and 451,923.35 is: 623,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,507.30 : 1,124,002.90 = 451,923.35 : x
  2. Step 2: Convert to fraction form
    814,507.30/1,124,002.90 = 451,923.35/x
  3. Step 3: Cross multiply
    814,507.30x = 1,124,002.90 × 451,923.35
  4. Step 4: Simplify right side
    814,507.30x = 507,963,159,352.63
  5. Step 5: Solve for x
    x = 507,963,159,352.63/814,507.30
  6. Step 6: Final answer
    x = 623,644.70

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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.