Home / 859,155.90-1,287,567.45-609,546.30

Finding the Fourth Proportional to 859,155.90, 1,287,567.45 and 609,546.30

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Solution

The fourth proportional to 859,155.90, 1,287,567.45 and 609,546.30 is: 913,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,155.90 : 1,287,567.45 = 609,546.30 : x
  2. Step 2: Convert to fraction form
    859,155.90/1,287,567.45 = 609,546.30/x
  3. Step 3: Cross multiply
    859,155.90x = 1,287,567.45 × 609,546.30
  4. Step 4: Simplify right side
    859,155.90x = 784,831,975,147.94
  5. Step 5: Solve for x
    x = 784,831,975,147.94/859,155.90
  6. Step 6: Final answer
    x = 913,491.92

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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.