Home / 631,263.81-946,899.33-210,538.47

Finding the Fourth Proportional to 631,263.81, 946,899.33 and 210,538.47

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Solution

The fourth proportional to 631,263.81, 946,899.33 and 210,538.47 is: 315,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,263.81 : 946,899.33 = 210,538.47 : x
  2. Step 2: Convert to fraction form
    631,263.81/946,899.33 = 210,538.47/x
  3. Step 3: Cross multiply
    631,263.81x = 946,899.33 × 210,538.47
  4. Step 4: Simplify right side
    631,263.81x = 199,358,736,182.23
  5. Step 5: Solve for x
    x = 199,358,736,182.23/631,263.81
  6. Step 6: Final answer
    x = 315,808.91

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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.