Home / 742,466.88-1,113,501.60-209,862.72

Finding the Fourth Proportional to 742,466.88, 1,113,501.60 and 209,862.72

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Solution

The fourth proportional to 742,466.88, 1,113,501.60 and 209,862.72 is: 314,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,466.88 : 1,113,501.60 = 209,862.72 : x
  2. Step 2: Convert to fraction form
    742,466.88/1,113,501.60 = 209,862.72/x
  3. Step 3: Cross multiply
    742,466.88x = 1,113,501.60 × 209,862.72
  4. Step 4: Simplify right side
    742,466.88x = 233,682,474,500.35
  5. Step 5: Solve for x
    x = 233,682,474,500.35/742,466.88
  6. Step 6: Final answer
    x = 314,737.91

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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.