Home / 840,010.98-1,260,014.08-208,924.79

Finding the Fourth Proportional to 840,010.98, 1,260,014.08 and 208,924.79

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Solution

The fourth proportional to 840,010.98, 1,260,014.08 and 208,924.79 is: 313,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,010.98 : 1,260,014.08 = 208,924.79 : x
  2. Step 2: Convert to fraction form
    840,010.98/1,260,014.08 = 208,924.79/x
  3. Step 3: Cross multiply
    840,010.98x = 1,260,014.08 × 208,924.79
  4. Step 4: Simplify right side
    840,010.98x = 263,248,181,261.76
  5. Step 5: Solve for x
    x = 263,248,181,261.76/840,010.98
  6. Step 6: Final answer
    x = 313,386.60

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Double scale
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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.