Home / 637,011.37-879,112.07-365,124.58

Finding the Fourth Proportional to 637,011.37, 879,112.07 and 365,124.58

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Solution

The fourth proportional to 637,011.37, 879,112.07 and 365,124.58 is: 503,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,011.37 : 879,112.07 = 365,124.58 : x
  2. Step 2: Convert to fraction form
    637,011.37/879,112.07 = 365,124.58/x
  3. Step 3: Cross multiply
    637,011.37x = 879,112.07 × 365,124.58
  4. Step 4: Simplify right side
    637,011.37x = 320,985,422,677.50
  5. Step 5: Solve for x
    x = 320,985,422,677.50/637,011.37
  6. Step 6: Final answer
    x = 503,892.77

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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.