Home / 457,225.05-630,975.62-253,279.10

Finding the Fourth Proportional to 457,225.05, 630,975.62 and 253,279.10

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Solution

The fourth proportional to 457,225.05, 630,975.62 and 253,279.10 is: 349,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,225.05 : 630,975.62 = 253,279.10 : x
  2. Step 2: Convert to fraction form
    457,225.05/630,975.62 = 253,279.10/x
  3. Step 3: Cross multiply
    457,225.05x = 630,975.62 × 253,279.10
  4. Step 4: Simplify right side
    457,225.05x = 159,812,939,366.18
  5. Step 5: Solve for x
    x = 159,812,939,366.18/457,225.05
  6. Step 6: Final answer
    x = 349,527.96

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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.