Home / 348,037.60-522,056.40-339,289.60

Finding the Fourth Proportional to 348,037.60, 522,056.40 and 339,289.60

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Solution

The fourth proportional to 348,037.60, 522,056.40 and 339,289.60 is: 508,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,037.60 : 522,056.40 = 339,289.60 : x
  2. Step 2: Convert to fraction form
    348,037.60/522,056.40 = 339,289.60/x
  3. Step 3: Cross multiply
    348,037.60x = 522,056.40 × 339,289.60
  4. Step 4: Simplify right side
    348,037.60x = 177,128,307,133.44
  5. Step 5: Solve for x
    x = 177,128,307,133.44/348,037.60
  6. Step 6: Final answer
    x = 508,934.40

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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.