Home / 770,045.70-1,062,609.12-447,732.93

Finding the Fourth Proportional to 770,045.70, 1,062,609.12 and 447,732.93

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Solution

The fourth proportional to 770,045.70, 1,062,609.12 and 447,732.93 is: 617,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,045.70 : 1,062,609.12 = 447,732.93 : x
  2. Step 2: Convert to fraction form
    770,045.70/1,062,609.12 = 447,732.93/x
  3. Step 3: Cross multiply
    770,045.70x = 1,062,609.12 × 447,732.93
  4. Step 4: Simplify right side
    770,045.70x = 475,765,094,742.32
  5. Step 5: Solve for x
    x = 475,765,094,742.32/770,045.70
  6. Step 6: Final answer
    x = 617,840.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.