Home / 909,887.88-1,255,601.42-496,400.04

Finding the Fourth Proportional to 909,887.88, 1,255,601.42 and 496,400.04

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Solution

The fourth proportional to 909,887.88, 1,255,601.42 and 496,400.04 is: 685,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,887.88 : 1,255,601.42 = 496,400.04 : x
  2. Step 2: Convert to fraction form
    909,887.88/1,255,601.42 = 496,400.04/x
  3. Step 3: Cross multiply
    909,887.88x = 1,255,601.42 × 496,400.04
  4. Step 4: Simplify right side
    909,887.88x = 623,280,595,112.06
  5. Step 5: Solve for x
    x = 623,280,595,112.06/909,887.88
  6. Step 6: Final answer
    x = 685,008.13

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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.