Home / 578,037.60-867,056.40-329,205.60

Finding the Fourth Proportional to 578,037.60, 867,056.40 and 329,205.60

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Solution

The fourth proportional to 578,037.60, 867,056.40 and 329,205.60 is: 493,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,037.60 : 867,056.40 = 329,205.60 : x
  2. Step 2: Convert to fraction form
    578,037.60/867,056.40 = 329,205.60/x
  3. Step 3: Cross multiply
    578,037.60x = 867,056.40 × 329,205.60
  4. Step 4: Simplify right side
    578,037.60x = 285,439,822,395.84
  5. Step 5: Solve for x
    x = 285,439,822,395.84/578,037.60
  6. Step 6: Final answer
    x = 493,808.40

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Similar ratio
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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.