Home / 817,417.53-1,226,112.12-367,820.28

Finding the Fourth Proportional to 817,417.53, 1,226,112.12 and 367,820.28

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Solution

The fourth proportional to 817,417.53, 1,226,112.12 and 367,820.28 is: 551,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,417.53 : 1,226,112.12 = 367,820.28 : x
  2. Step 2: Convert to fraction form
    817,417.53/1,226,112.12 = 367,820.28/x
  3. Step 3: Cross multiply
    817,417.53x = 1,226,112.12 × 367,820.28
  4. Step 4: Simplify right side
    817,417.53x = 450,988,903,289.79
  5. Step 5: Solve for x
    x = 450,988,903,289.79/817,417.53
  6. Step 6: Final answer
    x = 551,724.04

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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.