Home / 783,956.16-1,175,929.92-285,320.16

Finding the Fourth Proportional to 783,956.16, 1,175,929.92 and 285,320.16

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Solution

The fourth proportional to 783,956.16, 1,175,929.92 and 285,320.16 is: 427,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,956.16 : 1,175,929.92 = 285,320.16 : x
  2. Step 2: Convert to fraction form
    783,956.16/1,175,929.92 = 285,320.16/x
  3. Step 3: Cross multiply
    783,956.16x = 1,175,929.92 × 285,320.16
  4. Step 4: Simplify right side
    783,956.16x = 335,516,512,923.19
  5. Step 5: Solve for x
    x = 335,516,512,923.19/783,956.16
  6. Step 6: Final answer
    x = 427,978.67

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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.