Home / 742,172.64-1,113,256.14-268,747.26

Finding the Fourth Proportional to 742,172.64, 1,113,256.14 and 268,747.26

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Solution

The fourth proportional to 742,172.64, 1,113,256.14 and 268,747.26 is: 403,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,172.64 : 1,113,256.14 = 268,747.26 : x
  2. Step 2: Convert to fraction form
    742,172.64/1,113,256.14 = 268,747.26/x
  3. Step 3: Cross multiply
    742,172.64x = 1,113,256.14 × 268,747.26
  4. Step 4: Simplify right side
    742,172.64x = 299,184,537,303.18
  5. Step 5: Solve for x
    x = 299,184,537,303.18/742,172.64
  6. Step 6: Final answer
    x = 403,119.87

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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.