Home / 817,315.72-1,226,019.68-248,715.35

Finding the Fourth Proportional to 817,315.72, 1,226,019.68 and 248,715.35

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Solution

The fourth proportional to 817,315.72, 1,226,019.68 and 248,715.35 is: 373,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,315.72 : 1,226,019.68 = 248,715.35 : x
  2. Step 2: Convert to fraction form
    817,315.72/1,226,019.68 = 248,715.35/x
  3. Step 3: Cross multiply
    817,315.72x = 1,226,019.68 × 248,715.35
  4. Step 4: Simplify right side
    817,315.72x = 304,929,913,818.09
  5. Step 5: Solve for x
    x = 304,929,913,818.09/817,315.72
  6. Step 6: Final answer
    x = 373,087.05

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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.