Home / 840,030.35-1,260,050.07-208,944.16

Finding the Fourth Proportional to 840,030.35, 1,260,050.07 and 208,944.16

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Solution

The fourth proportional to 840,030.35, 1,260,050.07 and 208,944.16 is: 313,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,030.35 : 1,260,050.07 = 208,944.16 : x
  2. Step 2: Convert to fraction form
    840,030.35/1,260,050.07 = 208,944.16/x
  3. Step 3: Cross multiply
    840,030.35x = 1,260,050.07 × 208,944.16
  4. Step 4: Simplify right side
    840,030.35x = 263,280,101,067.51
  5. Step 5: Solve for x
    x = 263,280,101,067.51/840,030.35
  6. Step 6: Final answer
    x = 313,417.37

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.