Home / 939,859.96-1,409,327.04-340,731.32

Finding the Fourth Proportional to 939,859.96, 1,409,327.04 and 340,731.32

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Solution

The fourth proportional to 939,859.96, 1,409,327.04 and 340,731.32 is: 510,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,859.96 : 1,409,327.04 = 340,731.32 : x
  2. Step 2: Convert to fraction form
    939,859.96/1,409,327.04 = 340,731.32/x
  3. Step 3: Cross multiply
    939,859.96x = 1,409,327.04 × 340,731.32
  4. Step 4: Simplify right side
    939,859.96x = 480,201,862,650.89
  5. Step 5: Solve for x
    x = 480,201,862,650.89/939,859.96
  6. Step 6: Final answer
    x = 510,929.16

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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.