Home / 817,281.60-1,225,339.20-367,634.40

Finding the Fourth Proportional to 817,281.60, 1,225,339.20 and 367,634.40

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Solution

The fourth proportional to 817,281.60, 1,225,339.20 and 367,634.40 is: 551,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,281.60 : 1,225,339.20 = 367,634.40 : x
  2. Step 2: Convert to fraction form
    817,281.60/1,225,339.20 = 367,634.40/x
  3. Step 3: Cross multiply
    817,281.60x = 1,225,339.20 × 367,634.40
  4. Step 4: Simplify right side
    817,281.60x = 450,476,841,588.48
  5. Step 5: Solve for x
    x = 450,476,841,588.48/817,281.60
  6. Step 6: Final answer
    x = 551,189.26

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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.