Home / 854,966.40-1,282,147.20-293,870.40

Finding the Fourth Proportional to 854,966.40, 1,282,147.20 and 293,870.40

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Solution

The fourth proportional to 854,966.40, 1,282,147.20 and 293,870.40 is: 440,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,966.40 : 1,282,147.20 = 293,870.40 : x
  2. Step 2: Convert to fraction form
    854,966.40/1,282,147.20 = 293,870.40/x
  3. Step 3: Cross multiply
    854,966.40x = 1,282,147.20 × 293,870.40
  4. Step 4: Simplify right side
    854,966.40x = 376,785,110,522.88
  5. Step 5: Solve for x
    x = 376,785,110,522.88/854,966.40
  6. Step 6: Final answer
    x = 440,701.66

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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.