Home / 742,570.08-1,113,899.64-210,131.52

Finding the Fourth Proportional to 742,570.08, 1,113,899.64 and 210,131.52

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Solution

The fourth proportional to 742,570.08, 1,113,899.64 and 210,131.52 is: 315,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,570.08 : 1,113,899.64 = 210,131.52 : x
  2. Step 2: Convert to fraction form
    742,570.08/1,113,899.64 = 210,131.52/x
  3. Step 3: Cross multiply
    742,570.08x = 1,113,899.64 × 210,131.52
  4. Step 4: Simplify right side
    742,570.08x = 234,065,424,480.65
  5. Step 5: Solve for x
    x = 234,065,424,480.65/742,570.08
  6. Step 6: Final answer
    x = 315,209.88

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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.