Home / 762,101.46-1,142,743.14-256,493.79

Finding the Fourth Proportional to 762,101.46, 1,142,743.14 and 256,493.79

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Solution

The fourth proportional to 762,101.46, 1,142,743.14 and 256,493.79 is: 384,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,101.46 : 1,142,743.14 = 256,493.79 : x
  2. Step 2: Convert to fraction form
    762,101.46/1,142,743.14 = 256,493.79/x
  3. Step 3: Cross multiply
    762,101.46x = 1,142,743.14 × 256,493.79
  4. Step 4: Simplify right side
    762,101.46x = 293,106,518,975.10
  5. Step 5: Solve for x
    x = 293,106,518,975.10/762,101.46
  6. Step 6: Final answer
    x = 384,603.01

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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.