Home / 767,921.92-1,060,256.96-496,646.40

Finding the Fourth Proportional to 767,921.92, 1,060,256.96 and 496,646.40

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Solution

The fourth proportional to 767,921.92, 1,060,256.96 and 496,646.40 is: 685,711.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,921.92 : 1,060,256.96 = 496,646.40 : x
  2. Step 2: Convert to fraction form
    767,921.92/1,060,256.96 = 496,646.40/x
  3. Step 3: Cross multiply
    767,921.92x = 1,060,256.96 × 496,646.40
  4. Step 4: Simplify right side
    767,921.92x = 526,572,802,258.94
  5. Step 5: Solve for x
    x = 526,572,802,258.94/767,921.92
  6. Step 6: Final answer
    x = 685,711.38

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Double scale
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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.