Home / 727,877.08-1,004,460.16-405,600.76

Finding the Fourth Proportional to 727,877.08, 1,004,460.16 and 405,600.76

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Solution

The fourth proportional to 727,877.08, 1,004,460.16 and 405,600.76 is: 559,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,877.08 : 1,004,460.16 = 405,600.76 : x
  2. Step 2: Convert to fraction form
    727,877.08/1,004,460.16 = 405,600.76/x
  3. Step 3: Cross multiply
    727,877.08x = 1,004,460.16 × 405,600.76
  4. Step 4: Simplify right side
    727,877.08x = 407,409,804,285.72
  5. Step 5: Solve for x
    x = 407,409,804,285.72/727,877.08
  6. Step 6: Final answer
    x = 559,723.36

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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.