Home / 883,320.12-1,324,980.63-284,281.20

Finding the Fourth Proportional to 883,320.12, 1,324,980.63 and 284,281.20

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Solution

The fourth proportional to 883,320.12, 1,324,980.63 and 284,281.20 is: 426,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,320.12 : 1,324,980.63 = 284,281.20 : x
  2. Step 2: Convert to fraction form
    883,320.12/1,324,980.63 = 284,281.20/x
  3. Step 3: Cross multiply
    883,320.12x = 1,324,980.63 × 284,281.20
  4. Step 4: Simplify right side
    883,320.12x = 376,667,083,473.16
  5. Step 5: Solve for x
    x = 376,667,083,473.16/883,320.12
  6. Step 6: Final answer
    x = 426,421.94

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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.