Home / 817,499.75-1,226,434.16-248,931.70

Finding the Fourth Proportional to 817,499.75, 1,226,434.16 and 248,931.70

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Solution

The fourth proportional to 817,499.75, 1,226,434.16 and 248,931.70 is: 373,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,499.75 : 1,226,434.16 = 248,931.70 : x
  2. Step 2: Convert to fraction form
    817,499.75/1,226,434.16 = 248,931.70/x
  3. Step 3: Cross multiply
    817,499.75x = 1,226,434.16 × 248,931.70
  4. Step 4: Simplify right side
    817,499.75x = 305,298,340,386.87
  5. Step 5: Solve for x
    x = 305,298,340,386.87/817,499.75
  6. Step 6: Final answer
    x = 373,453.74

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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.