Home / 786,037.60-1,176,334.80-470,720.80

Finding the Fourth Proportional to 786,037.60, 1,176,334.80 and 470,720.80

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Solution

The fourth proportional to 786,037.60, 1,176,334.80 and 470,720.80 is: 704,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,037.60 : 1,176,334.80 = 470,720.80 : x
  2. Step 2: Convert to fraction form
    786,037.60/1,176,334.80 = 470,720.80/x
  3. Step 3: Cross multiply
    786,037.60x = 1,176,334.80 × 470,720.80
  4. Step 4: Simplify right side
    786,037.60x = 553,725,258,123.84
  5. Step 5: Solve for x
    x = 553,725,258,123.84/786,037.60
  6. Step 6: Final answer
    x = 704,451.36

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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.