Home / 457,238.22-630,980.27-253,284.67

Finding the Fourth Proportional to 457,238.22, 630,980.27 and 253,284.67

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Solution

The fourth proportional to 457,238.22, 630,980.27 and 253,284.67 is: 349,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,238.22 : 630,980.27 = 253,284.67 : x
  2. Step 2: Convert to fraction form
    457,238.22/630,980.27 = 253,284.67/x
  3. Step 3: Cross multiply
    457,238.22x = 630,980.27 × 253,284.67
  4. Step 4: Simplify right side
    457,238.22x = 159,817,631,182.22
  5. Step 5: Solve for x
    x = 159,817,631,182.22/457,238.22
  6. Step 6: Final answer
    x = 349,528.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.