Home / 507,785.24-700,744.20-281,430.92

Finding the Fourth Proportional to 507,785.24, 700,744.20 and 281,430.92

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Solution

The fourth proportional to 507,785.24, 700,744.20 and 281,430.92 is: 388,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,785.24 : 700,744.20 = 281,430.92 : x
  2. Step 2: Convert to fraction form
    507,785.24/700,744.20 = 281,430.92/x
  3. Step 3: Cross multiply
    507,785.24x = 700,744.20 × 281,430.92
  4. Step 4: Simplify right side
    507,785.24x = 197,211,084,890.66
  5. Step 5: Solve for x
    x = 197,211,084,890.66/507,785.24
  6. Step 6: Final answer
    x = 388,374.98

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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.