Home / 912,702.09-1,259,518.08-504,771.93

Finding the Fourth Proportional to 912,702.09, 1,259,518.08 and 504,771.93

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Solution

The fourth proportional to 912,702.09, 1,259,518.08 and 504,771.93 is: 696,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,702.09 : 1,259,518.08 = 504,771.93 : x
  2. Step 2: Convert to fraction form
    912,702.09/1,259,518.08 = 504,771.93/x
  3. Step 3: Cross multiply
    912,702.09x = 1,259,518.08 × 504,771.93
  4. Step 4: Simplify right side
    912,702.09x = 635,769,372,111.49
  5. Step 5: Solve for x
    x = 635,769,372,111.49/912,702.09
  6. Step 6: Final answer
    x = 696,579.29

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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.