Home / 899,237.12-1,349,520.32-425,923.20

Finding the Fourth Proportional to 899,237.12, 1,349,520.32 and 425,923.20

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Solution

The fourth proportional to 899,237.12, 1,349,520.32 and 425,923.20 is: 639,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,237.12 : 1,349,520.32 = 425,923.20 : x
  2. Step 2: Convert to fraction form
    899,237.12/1,349,520.32 = 425,923.20/x
  3. Step 3: Cross multiply
    899,237.12x = 1,349,520.32 × 425,923.20
  4. Step 4: Simplify right side
    899,237.12x = 574,792,013,159.42
  5. Step 5: Solve for x
    x = 574,792,013,159.42/899,237.12
  6. Step 6: Final answer
    x = 639,199.61

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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.