Home / 788,032.64-1,182,215.04-255,512.16

Finding the Fourth Proportional to 788,032.64, 1,182,215.04 and 255,512.16

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Solution

The fourth proportional to 788,032.64, 1,182,215.04 and 255,512.16 is: 383,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,032.64 : 1,182,215.04 = 255,512.16 : x
  2. Step 2: Convert to fraction form
    788,032.64/1,182,215.04 = 255,512.16/x
  3. Step 3: Cross multiply
    788,032.64x = 1,182,215.04 × 255,512.16
  4. Step 4: Simplify right side
    788,032.64x = 302,070,318,454.89
  5. Step 5: Solve for x
    x = 302,070,318,454.89/788,032.64
  6. Step 6: Final answer
    x = 383,322.09

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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.