Home / 832,064.18-1,147,883.87-487,725.55

Finding the Fourth Proportional to 832,064.18, 1,147,883.87 and 487,725.55

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Solution

The fourth proportional to 832,064.18, 1,147,883.87 and 487,725.55 is: 672,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,064.18 : 1,147,883.87 = 487,725.55 : x
  2. Step 2: Convert to fraction form
    832,064.18/1,147,883.87 = 487,725.55/x
  3. Step 3: Cross multiply
    832,064.18x = 1,147,883.87 × 487,725.55
  4. Step 4: Simplify right side
    832,064.18x = 559,852,283,653.83
  5. Step 5: Solve for x
    x = 559,852,283,653.83/832,064.18
  6. Step 6: Final answer
    x = 672,847.48

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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.