Home / 540,758-811,078.58-180,888.06

Finding the Fourth Proportional to 540,758, 811,078.58 and 180,888.06

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Solution

The fourth proportional to 540,758, 811,078.58 and 180,888.06 is: 271,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,758 : 811,078.58 = 180,888.06 : x
  2. Step 2: Convert to fraction form
    540,758/811,078.58 = 180,888.06/x
  3. Step 3: Cross multiply
    540,758x = 811,078.58 × 180,888.06
  4. Step 4: Simplify right side
    540,758x = 146,714,430,843.76
  5. Step 5: Solve for x
    x = 146,714,430,843.76/540,758
  6. Step 6: Final answer
    x = 271,312.55

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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.