Home / 803,715.50-1,205,783.36-466,431.92

Finding the Fourth Proportional to 803,715.50, 1,205,783.36 and 466,431.92

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Solution

The fourth proportional to 803,715.50, 1,205,783.36 and 466,431.92 is: 699,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,715.50 : 1,205,783.36 = 466,431.92 : x
  2. Step 2: Convert to fraction form
    803,715.50/1,205,783.36 = 466,431.92/x
  3. Step 3: Cross multiply
    803,715.50x = 1,205,783.36 × 466,431.92
  4. Step 4: Simplify right side
    803,715.50x = 562,415,848,391.15
  5. Step 5: Solve for x
    x = 562,415,848,391.15/803,715.50
  6. Step 6: Final answer
    x = 699,769.81

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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.