Home / 854,156.99-1,281,502.02-255,141.79

Finding the Fourth Proportional to 854,156.99, 1,281,502.02 and 255,141.79

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Solution

The fourth proportional to 854,156.99, 1,281,502.02 and 255,141.79 is: 382,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,156.99 : 1,281,502.02 = 255,141.79 : x
  2. Step 2: Convert to fraction form
    854,156.99/1,281,502.02 = 255,141.79/x
  3. Step 3: Cross multiply
    854,156.99x = 1,281,502.02 × 255,141.79
  4. Step 4: Simplify right side
    854,156.99x = 326,964,719,271.42
  5. Step 5: Solve for x
    x = 326,964,719,271.42/854,156.99
  6. Step 6: Final answer
    x = 382,792.30

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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.