Home / 817,325.40-1,225,975.76-367,728.76

Finding the Fourth Proportional to 817,325.40, 1,225,975.76 and 367,728.76

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Solution

The fourth proportional to 817,325.40, 1,225,975.76 and 367,728.76 is: 551,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,325.40 : 1,225,975.76 = 367,728.76 : x
  2. Step 2: Convert to fraction form
    817,325.40/1,225,975.76 = 367,728.76/x
  3. Step 3: Cross multiply
    817,325.40x = 1,225,975.76 × 367,728.76
  4. Step 4: Simplify right side
    817,325.40x = 450,826,546,014.86
  5. Step 5: Solve for x
    x = 450,826,546,014.86/817,325.40
  6. Step 6: Final answer
    x = 551,587.59

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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.