Home / 882,009.24-1,321,349.04-521,103.21

Finding the Fourth Proportional to 882,009.24, 1,321,349.04 and 521,103.21

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Solution

The fourth proportional to 882,009.24, 1,321,349.04 and 521,103.21 is: 780,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,009.24 : 1,321,349.04 = 521,103.21 : x
  2. Step 2: Convert to fraction form
    882,009.24/1,321,349.04 = 521,103.21/x
  3. Step 3: Cross multiply
    882,009.24x = 1,321,349.04 × 521,103.21
  4. Step 4: Simplify right side
    882,009.24x = 688,559,226,274.42
  5. Step 5: Solve for x
    x = 688,559,226,274.42/882,009.24
  6. Step 6: Final answer
    x = 780,671.22

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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.