Home / 926,869.23-1,390,566.89-477,917.55

Finding the Fourth Proportional to 926,869.23, 1,390,566.89 and 477,917.55

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Solution

The fourth proportional to 926,869.23, 1,390,566.89 and 477,917.55 is: 717,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,869.23 : 1,390,566.89 = 477,917.55 : x
  2. Step 2: Convert to fraction form
    926,869.23/1,390,566.89 = 477,917.55/x
  3. Step 3: Cross multiply
    926,869.23x = 1,390,566.89 × 477,917.55
  4. Step 4: Simplify right side
    926,869.23x = 664,576,318,790.33
  5. Step 5: Solve for x
    x = 664,576,318,790.33/926,869.23
  6. Step 6: Final answer
    x = 717,011.96

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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.