Home / 787,737.92-1,087,072.80-430,041.92

Finding the Fourth Proportional to 787,737.92, 1,087,072.80 and 430,041.92

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Solution

The fourth proportional to 787,737.92, 1,087,072.80 and 430,041.92 is: 593,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,737.92 : 1,087,072.80 = 430,041.92 : x
  2. Step 2: Convert to fraction form
    787,737.92/1,087,072.80 = 430,041.92/x
  3. Step 3: Cross multiply
    787,737.92x = 1,087,072.80 × 430,041.92
  4. Step 4: Simplify right side
    787,737.92x = 467,486,874,091.78
  5. Step 5: Solve for x
    x = 467,486,874,091.78/787,737.92
  6. Step 6: Final answer
    x = 593,454.83

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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.