Home / 734,648.06-1,013,780.20-407,981.81

Finding the Fourth Proportional to 734,648.06, 1,013,780.20 and 407,981.81

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Solution

The fourth proportional to 734,648.06, 1,013,780.20 and 407,981.81 is: 562,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,648.06 : 1,013,780.20 = 407,981.81 : x
  2. Step 2: Convert to fraction form
    734,648.06/1,013,780.20 = 407,981.81/x
  3. Step 3: Cross multiply
    734,648.06x = 1,013,780.20 × 407,981.81
  4. Step 4: Simplify right side
    734,648.06x = 413,603,879,918.21
  5. Step 5: Solve for x
    x = 413,603,879,918.21/734,648.06
  6. Step 6: Final answer
    x = 562,995.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.