Home / 742,629.27-1,114,002.77-210,153.63

Finding the Fourth Proportional to 742,629.27, 1,114,002.77 and 210,153.63

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Solution

The fourth proportional to 742,629.27, 1,114,002.77 and 210,153.63 is: 315,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,629.27 : 1,114,002.77 = 210,153.63 : x
  2. Step 2: Convert to fraction form
    742,629.27/1,114,002.77 = 210,153.63/x
  3. Step 3: Cross multiply
    742,629.27x = 1,114,002.77 × 210,153.63
  4. Step 4: Simplify right side
    742,629.27x = 234,111,724,894.79
  5. Step 5: Solve for x
    x = 234,111,724,894.79/742,629.27
  6. Step 6: Final answer
    x = 315,247.10

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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.