Home / 839,495.93-1,258,872.37-240,320.57

Finding the Fourth Proportional to 839,495.93, 1,258,872.37 and 240,320.57

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Solution

The fourth proportional to 839,495.93, 1,258,872.37 and 240,320.57 is: 360,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,495.93 : 1,258,872.37 = 240,320.57 : x
  2. Step 2: Convert to fraction form
    839,495.93/1,258,872.37 = 240,320.57/x
  3. Step 3: Cross multiply
    839,495.93x = 1,258,872.37 × 240,320.57
  4. Step 4: Simplify right side
    839,495.93x = 302,532,918,620.49
  5. Step 5: Solve for x
    x = 302,532,918,620.49/839,495.93
  6. Step 6: Final answer
    x = 360,374.49

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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.