Home / 824,752.81-1,237,322.90-256,104.55

Finding the Fourth Proportional to 824,752.81, 1,237,322.90 and 256,104.55

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Solution

The fourth proportional to 824,752.81, 1,237,322.90 and 256,104.55 is: 384,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,752.81 : 1,237,322.90 = 256,104.55 : x
  2. Step 2: Convert to fraction form
    824,752.81/1,237,322.90 = 256,104.55/x
  3. Step 3: Cross multiply
    824,752.81x = 1,237,322.90 × 256,104.55
  4. Step 4: Simplify right side
    824,752.81x = 316,884,024,509.20
  5. Step 5: Solve for x
    x = 316,884,024,509.20/824,752.81
  6. Step 6: Final answer
    x = 384,216.97

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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.